DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

T23 Burn and corrosion of wrist and hand

  • Header · not billable
  • Codes take a 7th character

T23 is not billable. The category heads 648 billable codes in FY2027, grouped under 8 subdivisions. Its codes take a 7th character, so none is complete with fewer than 7 characters.

Index → code

  • Corrosion (injury) (acid) (caustic) (chemical) (lime) (external) (internal)palm → T23.459
  • Corrosion (injury) (acid) (caustic) (chemical) (lime) (external) (internal)wrist → T23.479
  • Corrosion (injury) (acid) (caustic) (chemical) (lime) (external) (internal)finger → T23.429

Where it sits

  1. Chapter 19 Injury, poisoning and certain other consequences of external causes (S00-T88)
  2. T20-T25 Burns and corrosions of external body surface, specified by site (T20-T25)
  3. T23 Burn and corrosion of wrist and hand
Billable codes
648
Subdivisions
8
CC / MCC codes
54 / 0
HCC V28 codes
0
New FY2027
0
Index entries
264

Codes in T23

  1. T23.0
    Burn of unspecified degree of wrist and hand
    Header
    Use additional code 1

    Use additional code

    • external cause code to identify the source, place and intent of the burn (X00-X19, X75-X77, X96-X98, Y92) X00 X19 X75 X77 X96 X98 Y92
  2. T23.00
    Burn of unspecified degree of hand, unspecified site
    Header
  3. T23.001
    Burn of unspecified degree of right hand, unspecified site +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  4. T23.002
    Burn of unspecified degree of left hand, unspecified site +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  5. T23.009
    Burn of unspecified degree of unspecified hand, unspecified site +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  6. T23.01
    Burn of unspecified degree of thumb (nail)
    Header
  7. T23.011
    Burn of unspecified degree of right thumb (nail) +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  8. T23.012
    Burn of unspecified degree of left thumb (nail) +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  9. T23.019
    Burn of unspecified degree of unspecified thumb (nail) +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  10. T23.02
    Burn of unspecified degree of single finger (nail) except thumb
    Header
  11. T23.021
    Burn of unspecified degree of single right finger (nail) except thumb +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  12. T23.022
    Burn of unspecified degree of single left finger (nail) except thumb +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  13. T23.029
    Burn of unspecified degree of unspecified single finger (nail) except thumb +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  14. T23.03
    Burn of unspecified degree of multiple fingers (nail), not including thumb
    Header
  15. T23.031
    Burn of unspecified degree of multiple right fingers (nail), not including thumb +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  16. T23.032
    Burn of unspecified degree of multiple left fingers (nail), not including thumb +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  17. T23.039
    Burn of unspecified degree of unspecified multiple fingers (nail), not including thumb +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  18. T23.04
    Burn of unspecified degree of multiple fingers (nail), including thumb
    Header
  19. T23.041
    Burn of unspecified degree of multiple right fingers (nail), including thumb +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  20. T23.042
    Burn of unspecified degree of multiple left fingers (nail), including thumb +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  21. T23.049
    Burn of unspecified degree of unspecified multiple fingers (nail), including thumb +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  22. T23.05
    Burn of unspecified degree of palm
    Header
  23. T23.051
    Burn of unspecified degree of right palm +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  24. T23.052
    Burn of unspecified degree of left palm +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  25. T23.059
    Burn of unspecified degree of unspecified palm +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  26. T23.06
    Burn of unspecified degree of back of hand
    Header
  27. T23.061
    Burn of unspecified degree of back of right hand +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  28. T23.062
    Burn of unspecified degree of back of left hand +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  29. T23.069
    Burn of unspecified degree of back of unspecified hand +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  30. T23.07
    Burn of unspecified degree of wrist
    Header
  31. T23.071
    Burn of unspecified degree of right wrist +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  32. T23.072
    Burn of unspecified degree of left wrist +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  33. T23.079
    Burn of unspecified degree of unspecified wrist +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  34. T23.09
    Burn of unspecified degree of multiple sites of wrist and hand
    Header
  35. T23.091
    Burn of unspecified degree of multiple sites of right wrist and hand +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  36. T23.092
    Burn of unspecified degree of multiple sites of left wrist and hand +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  37. T23.099
    Burn of unspecified degree of multiple sites of unspecified wrist and hand +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  38. T23.1
    Burn of first degree of wrist and hand
    Header
    Use additional code 1

    Use additional code

    • external cause code to identify the source, place and intent of the burn (X00-X19, X75-X77, X96-X98, Y92) X00 X19 X75 X77 X96 X98 Y92
  39. T23.10
    Burn of first degree of hand, unspecified site
    Header
  40. T23.101
    Burn of first degree of right hand, unspecified site +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  41. T23.102
    Burn of first degree of left hand, unspecified site +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  42. T23.109
    Burn of first degree of unspecified hand, unspecified site +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  43. T23.11
    Burn of first degree of thumb (nail)
    Header
  44. T23.111
    Burn of first degree of right thumb (nail) +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  45. T23.112
    Burn of first degree of left thumb (nail) +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  46. T23.119
    Burn of first degree of unspecified thumb (nail) +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  47. T23.12
    Burn of first degree of single finger (nail) except thumb
    Header
  48. T23.121
    Burn of first degree of single right finger (nail) except thumb +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  49. T23.122
    Burn of first degree of single left finger (nail) except thumb +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  50. T23.129
    Burn of first degree of unspecified single finger (nail) except thumb +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  51. T23.13
    Burn of first degree of multiple fingers (nail), not including thumb
    Header
  52. T23.131
    Burn of first degree of multiple right fingers (nail), not including thumb +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  53. T23.132
    Burn of first degree of multiple left fingers (nail), not including thumb +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  54. T23.139
    Burn of first degree of unspecified multiple fingers (nail), not including thumb +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  55. T23.14
    Burn of first degree of multiple fingers (nail), including thumb
    Header
  56. T23.141
    Burn of first degree of multiple right fingers (nail), including thumb +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  57. T23.142
    Burn of first degree of multiple left fingers (nail), including thumb +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  58. T23.149
    Burn of first degree of unspecified multiple fingers (nail), including thumb +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  59. T23.15
    Burn of first degree of palm
    Header
  60. T23.151
    Burn of first degree of right palm +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  61. T23.152
    Burn of first degree of left palm +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  62. T23.159
    Burn of first degree of unspecified palm +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  63. T23.16
    Burn of first degree of back of hand
    Header
  64. T23.161
    Burn of first degree of back of right hand +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  65. T23.162
    Burn of first degree of back of left hand +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  66. T23.169
    Burn of first degree of back of unspecified hand +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  67. T23.17
    Burn of first degree of wrist
    Header
  68. T23.171
    Burn of first degree of right wrist +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  69. T23.172
    Burn of first degree of left wrist +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  70. T23.179
    Burn of first degree of unspecified wrist +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  71. T23.19
    Burn of first degree of multiple sites of wrist and hand
    Header
  72. T23.191
    Burn of first degree of multiple sites of right wrist and hand +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  73. T23.192
    Burn of first degree of multiple sites of left wrist and hand +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  74. T23.199
    Burn of first degree of multiple sites of unspecified wrist and hand +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  75. T23.2
    Burn of second degree of wrist and hand
    Header
    Use additional code 1

    Use additional code

    • external cause code to identify the source, place and intent of the burn (X00-X19, X75-X77, X96-X98, Y92) X00 X19 X75 X77 X96 X98 Y92
  76. T23.20
    Burn of second degree of hand, unspecified site
    Header
  77. T23.201
    Burn of second degree of right hand, unspecified site +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  78. T23.202
    Burn of second degree of left hand, unspecified site +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  79. T23.209
    Burn of second degree of unspecified hand, unspecified site +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  80. T23.21
    Burn of second degree of thumb (nail)
    Header
  81. T23.211
    Burn of second degree of right thumb (nail) +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  82. T23.212
    Burn of second degree of left thumb (nail) +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  83. T23.219
    Burn of second degree of unspecified thumb (nail) +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  84. T23.22
    Burn of second degree of single finger (nail) except thumb
    Header
  85. T23.221
    Burn of second degree of single right finger (nail) except thumb +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  86. T23.222
    Burn of second degree of single left finger (nail) except thumb +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  87. T23.229
    Burn of second degree of unspecified single finger (nail) except thumb +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  88. T23.23
    Burn of second degree of multiple fingers (nail), not including thumb
    Header
  89. T23.231
    Burn of second degree of multiple right fingers (nail), not including thumb +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  90. T23.232
    Burn of second degree of multiple left fingers (nail), not including thumb +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  91. T23.239
    Burn of second degree of unspecified multiple fingers (nail), not including thumb +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  92. T23.24
    Burn of second degree of multiple fingers (nail), including thumb
    Header
  93. T23.241
    Burn of second degree of multiple right fingers (nail), including thumb +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  94. T23.242
    Burn of second degree of multiple left fingers (nail), including thumb +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  95. T23.249
    Burn of second degree of unspecified multiple fingers (nail), including thumb +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  96. T23.25
    Burn of second degree of palm
    Header
  97. T23.251
    Burn of second degree of right palm +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  98. T23.252
    Burn of second degree of left palm +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  99. T23.259
    Burn of second degree of unspecified palm +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  100. T23.26
    Burn of second degree of back of hand
    Header
  101. T23.261
    Burn of second degree of back of right hand +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  102. T23.262
    Burn of second degree of back of left hand +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  103. T23.269
    Burn of second degree of back of unspecified hand +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  104. T23.27
    Burn of second degree of wrist
    Header
  105. T23.271
    Burn of second degree of right wrist +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  106. T23.272
    Burn of second degree of left wrist +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  107. T23.279
    Burn of second degree of unspecified wrist +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  108. T23.29
    Burn of second degree of multiple sites of wrist and hand
    Header
  109. T23.291
    Burn of second degree of multiple sites of right wrist and hand +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  110. T23.292
    Burn of second degree of multiple sites of left wrist and hand +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  111. T23.299
    Burn of second degree of multiple sites of unspecified wrist and hand +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  112. T23.3
    Burn of third degree of wrist and hand
    Header
    Use additional code 1

    Use additional code

    • external cause code to identify the source, place and intent of the burn (X00-X19, X75-X77, X96-X98, Y92) X00 X19 X75 X77 X96 X98 Y92
  113. T23.30
    Burn of third degree of hand, unspecified site
    Header
  114. T23.301
    Burn of third degree of right hand, unspecified site +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  115. T23.302
    Burn of third degree of left hand, unspecified site +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  116. T23.309
    Burn of third degree of unspecified hand, unspecified site +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  117. T23.31
    Burn of third degree of thumb (nail)
    Header
  118. T23.311
    Burn of third degree of right thumb (nail) +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  119. T23.312
    Burn of third degree of left thumb (nail) +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  120. T23.319
    Burn of third degree of unspecified thumb (nail) +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  121. T23.32
    Burn of third degree of single finger (nail) except thumb
    Header
  122. T23.321
    Burn of third degree of single right finger (nail) except thumb +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  123. T23.322
    Burn of third degree of single left finger (nail) except thumb +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  124. T23.329
    Burn of third degree of unspecified single finger (nail) except thumb +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  125. T23.33
    Burn of third degree of multiple fingers (nail), not including thumb
    Header
  126. T23.331
    Burn of third degree of multiple right fingers (nail), not including thumb +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  127. T23.332
    Burn of third degree of multiple left fingers (nail), not including thumb +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  128. T23.339
    Burn of third degree of unspecified multiple fingers (nail), not including thumb +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  129. T23.34
    Burn of third degree of multiple fingers (nail), including thumb
    Header
  130. T23.341
    Burn of third degree of multiple right fingers (nail), including thumb +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  131. T23.342
    Burn of third degree of multiple left fingers (nail), including thumb +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  132. T23.349
    Burn of third degree of unspecified multiple fingers (nail), including thumb +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  133. T23.35
    Burn of third degree of palm
    Header
  134. T23.351
    Burn of third degree of right palm +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  135. T23.352
    Burn of third degree of left palm +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  136. T23.359
    Burn of third degree of unspecified palm +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  137. T23.36
    Burn of third degree of back of hand
    Header
  138. T23.361
    Burn of third degree of back of right hand +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  139. T23.362
    Burn of third degree of back of left hand +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  140. T23.369
    Burn of third degree of back of unspecified hand +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  141. T23.37
    Burn of third degree of wrist
    Header
  142. T23.371
    Burn of third degree of right wrist +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  143. T23.372
    Burn of third degree of left wrist +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  144. T23.379
    Burn of third degree of unspecified wrist +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  145. T23.39
    Burn of third degree of multiple sites of wrist and hand
    Header
  146. T23.391
    Burn of third degree of multiple sites of right wrist and hand +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  147. T23.392
    Burn of third degree of multiple sites of left wrist and hand +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  148. T23.399
    Burn of third degree of multiple sites of unspecified wrist and hand +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  149. T23.4
    Corrosion of unspecified degree of wrist and hand
    Header
    Code first 1, Use additional code 1

    Code first

    • (T51-T65) to identify chemical and intent T51 T65

    Use additional code

    • external cause code to identify place (Y92) Y92
  150. T23.40
    Corrosion of unspecified degree of hand, unspecified site
    Header
  151. T23.401
    Corrosion of unspecified degree of right hand, unspecified site +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  152. T23.402
    Corrosion of unspecified degree of left hand, unspecified site +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  153. T23.409
    Corrosion of unspecified degree of unspecified hand, unspecified site +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  154. T23.41
    Corrosion of unspecified degree of thumb (nail)
    Header
  155. T23.411
    Corrosion of unspecified degree of right thumb (nail) +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  156. T23.412
    Corrosion of unspecified degree of left thumb (nail) +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  157. T23.419
    Corrosion of unspecified degree of unspecified thumb (nail) +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  158. T23.42
    Corrosion of unspecified degree of single finger (nail) except thumb
    Header
  159. T23.421
    Corrosion of unspecified degree of single right finger (nail) except thumb +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  160. T23.422
    Corrosion of unspecified degree of single left finger (nail) except thumb +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  161. T23.429
    Corrosion of unspecified degree of unspecified single finger (nail) except thumb +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  162. T23.43
    Corrosion of unspecified degree of multiple fingers (nail), not including thumb
    Header
  163. T23.431
    Corrosion of unspecified degree of multiple right fingers (nail), not including thumb +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  164. T23.432
    Corrosion of unspecified degree of multiple left fingers (nail), not including thumb +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  165. T23.439
    Corrosion of unspecified degree of unspecified multiple fingers (nail), not including thumb +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  166. T23.44
    Corrosion of unspecified degree of multiple fingers (nail), including thumb
    Header
  167. T23.441
    Corrosion of unspecified degree of multiple right fingers (nail), including thumb +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  168. T23.442
    Corrosion of unspecified degree of multiple left fingers (nail), including thumb +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  169. T23.449
    Corrosion of unspecified degree of unspecified multiple fingers (nail), including thumb +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  170. T23.45
    Corrosion of unspecified degree of palm
    Header
  171. T23.451
    Corrosion of unspecified degree of right palm +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  172. T23.452
    Corrosion of unspecified degree of left palm +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  173. T23.459
    Corrosion of unspecified degree of unspecified palm +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  174. T23.46
    Corrosion of unspecified degree of back of hand
    Header
  175. T23.461
    Corrosion of unspecified degree of back of right hand +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  176. T23.462
    Corrosion of unspecified degree of back of left hand +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  177. T23.469
    Corrosion of unspecified degree of back of unspecified hand +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  178. T23.47
    Corrosion of unspecified degree of wrist
    Header
  179. T23.471
    Corrosion of unspecified degree of right wrist +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  180. T23.472
    Corrosion of unspecified degree of left wrist +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  181. T23.479
    Corrosion of unspecified degree of unspecified wrist +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  182. T23.49
    Corrosion of unspecified degree of multiple sites of wrist and hand
    Header
  183. T23.491
    Corrosion of unspecified degree of multiple sites of right wrist and hand +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  184. T23.492
    Corrosion of unspecified degree of multiple sites of left wrist and hand +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  185. T23.499
    Corrosion of unspecified degree of multiple sites of unspecified wrist and hand +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  186. T23.5
    Corrosion of first degree of wrist and hand
    Header
    Code first 1, Use additional code 1

    Code first

    • (T51-T65) to identify chemical and intent T51 T65

    Use additional code

    • external cause code to identify place (Y92) Y92
  187. T23.50
    Corrosion of first degree of hand, unspecified site
    Header
  188. T23.501
    Corrosion of first degree of right hand, unspecified site +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  189. T23.502
    Corrosion of first degree of left hand, unspecified site +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  190. T23.509
    Corrosion of first degree of unspecified hand, unspecified site +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  191. T23.51
    Corrosion of first degree of thumb (nail)
    Header
  192. T23.511
    Corrosion of first degree of right thumb (nail) +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  193. T23.512
    Corrosion of first degree of left thumb (nail) +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  194. T23.519
    Corrosion of first degree of unspecified thumb (nail) +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  195. T23.52
    Corrosion of first degree of single finger (nail) except thumb
    Header
  196. T23.521
    Corrosion of first degree of single right finger (nail) except thumb +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  197. T23.522
    Corrosion of first degree of single left finger (nail) except thumb +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  198. T23.529
    Corrosion of first degree of unspecified single finger (nail) except thumb +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  199. T23.53
    Corrosion of first degree of multiple fingers (nail), not including thumb
    Header
  200. T23.531
    Corrosion of first degree of multiple right fingers (nail), not including thumb +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  201. T23.532
    Corrosion of first degree of multiple left fingers (nail), not including thumb +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  202. T23.539
    Corrosion of first degree of unspecified multiple fingers (nail), not including thumb +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  203. T23.54
    Corrosion of first degree of multiple fingers (nail), including thumb
    Header
  204. T23.541
    Corrosion of first degree of multiple right fingers (nail), including thumb +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  205. T23.542
    Corrosion of first degree of multiple left fingers (nail), including thumb +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  206. T23.549
    Corrosion of first degree of unspecified multiple fingers (nail), including thumb +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  207. T23.55
    Corrosion of first degree of palm
    Header
  208. T23.551
    Corrosion of first degree of right palm +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  209. T23.552
    Corrosion of first degree of left palm +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  210. T23.559
    Corrosion of first degree of unspecified palm +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  211. T23.56
    Corrosion of first degree of back of hand
    Header
  212. T23.561
    Corrosion of first degree of back of right hand +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  213. T23.562
    Corrosion of first degree of back of left hand +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  214. T23.569
    Corrosion of first degree of back of unspecified hand +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  215. T23.57
    Corrosion of first degree of wrist
    Header
  216. T23.571
    Corrosion of first degree of right wrist +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  217. T23.572
    Corrosion of first degree of left wrist +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  218. T23.579
    Corrosion of first degree of unspecified wrist +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  219. T23.59
    Corrosion of first degree of multiple sites of wrist and hand
    Header
  220. T23.591
    Corrosion of first degree of multiple sites of right wrist and hand +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  221. T23.592
    Corrosion of first degree of multiple sites of left wrist and hand +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  222. T23.599
    Corrosion of first degree of multiple sites of unspecified wrist and hand +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  223. T23.6
    Corrosion of second degree of wrist and hand
    Header
    Code first 1, Use additional code 1

    Code first

    • (T51-T65) to identify chemical and intent T51 T65

    Use additional code

    • external cause code to identify place (Y92) Y92
  224. T23.60
    Corrosion of second degree of hand, unspecified site
    Header
  225. T23.601
    Corrosion of second degree of right hand, unspecified site +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  226. T23.602
    Corrosion of second degree of left hand, unspecified site +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  227. T23.609
    Corrosion of second degree of unspecified hand, unspecified site +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  228. T23.61
    Corrosion of second degree of thumb (nail)
    Header
  229. T23.611
    Corrosion of second degree of right thumb (nail) +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  230. T23.612
    Corrosion of second degree of left thumb (nail) +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  231. T23.619
    Corrosion of second degree of unspecified thumb (nail) +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  232. T23.62
    Corrosion of second degree of single finger (nail) except thumb
    Header
  233. T23.621
    Corrosion of second degree of single right finger (nail) except thumb +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  234. T23.622
    Corrosion of second degree of single left finger (nail) except thumb +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  235. T23.629
    Corrosion of second degree of unspecified single finger (nail) except thumb +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  236. T23.63
    Corrosion of second degree of multiple fingers (nail), not including thumb
    Header
  237. T23.631
    Corrosion of second degree of multiple right fingers (nail), not including thumb +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  238. T23.632
    Corrosion of second degree of multiple left fingers (nail), not including thumb +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  239. T23.639
    Corrosion of second degree of unspecified multiple fingers (nail), not including thumb +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  240. T23.64
    Corrosion of second degree of multiple fingers (nail), including thumb
    Header
  241. T23.641
    Corrosion of second degree of multiple right fingers (nail), including thumb +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  242. T23.642
    Corrosion of second degree of multiple left fingers (nail), including thumb +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  243. T23.649
    Corrosion of second degree of unspecified multiple fingers (nail), including thumb +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  244. T23.65
    Corrosion of second degree of palm
    Header
  245. T23.651
    Corrosion of second degree of right palm +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  246. T23.652
    Corrosion of second degree of left palm +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  247. T23.659
    Corrosion of second degree of unspecified palm +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  248. T23.66
    Corrosion of second degree of back of hand
    Header
  249. T23.661
    Corrosion of second degree back of right hand +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  250. T23.662
    Corrosion of second degree back of left hand +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  251. T23.669
    Corrosion of second degree back of unspecified hand +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  252. T23.67
    Corrosion of second degree of wrist
    Header
  253. T23.671
    Corrosion of second degree of right wrist +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  254. T23.672
    Corrosion of second degree of left wrist +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  255. T23.679
    Corrosion of second degree of unspecified wrist +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  256. T23.69
    Corrosion of second degree of multiple sites of wrist and hand
    Header
  257. T23.691
    Corrosion of second degree of multiple sites of right wrist and hand +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  258. T23.692
    Corrosion of second degree of multiple sites of left wrist and hand +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  259. T23.699
    Corrosion of second degree of multiple sites of unspecified wrist and hand +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  260. T23.7
    Corrosion of third degree of wrist and hand
    Header
    Code first 1, Use additional code 1

    Code first

    • (T51-T65) to identify chemical and intent T51 T65

    Use additional code

    • external cause code to identify place (Y92) Y92
  261. T23.70
    Corrosion of third degree of hand, unspecified site
    Header
  262. T23.701
    Corrosion of third degree of right hand, unspecified site +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  263. T23.702
    Corrosion of third degree of left hand, unspecified site +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  264. T23.709
    Corrosion of third degree of unspecified hand, unspecified site +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  265. T23.71
    Corrosion of third degree of thumb (nail)
    Header
  266. T23.711
    Corrosion of third degree of right thumb (nail) +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  267. T23.712
    Corrosion of third degree of left thumb (nail) +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  268. T23.719
    Corrosion of third degree of unspecified thumb (nail) +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  269. T23.72
    Corrosion of third degree of single finger (nail) except thumb
    Header
  270. T23.721
    Corrosion of third degree of single right finger (nail) except thumb +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  271. T23.722
    Corrosion of third degree of single left finger (nail) except thumb +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  272. T23.729
    Corrosion of third degree of unspecified single finger (nail) except thumb +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  273. T23.73
    Corrosion of third degree of multiple fingers (nail), not including thumb
    Header
  274. T23.731
    Corrosion of third degree of multiple right fingers (nail), not including thumb +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  275. T23.732
    Corrosion of third degree of multiple left fingers (nail), not including thumb +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  276. T23.739
    Corrosion of third degree of unspecified multiple fingers (nail), not including thumb +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  277. T23.74
    Corrosion of third degree of multiple fingers (nail), including thumb
    Header
  278. T23.741
    Corrosion of third degree of multiple right fingers (nail), including thumb +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  279. T23.742
    Corrosion of third degree of multiple left fingers (nail), including thumb +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  280. T23.749
    Corrosion of third degree of unspecified multiple fingers (nail), including thumb +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  281. T23.75
    Corrosion of third degree of palm
    Header
  282. T23.751
    Corrosion of third degree of right palm +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  283. T23.752
    Corrosion of third degree of left palm +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  284. T23.759
    Corrosion of third degree of unspecified palm +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  285. T23.76
    Corrosion of third degree of back of hand
    Header
  286. T23.761
    Corrosion of third degree of back of right hand +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  287. T23.762
    Corrosion of third degree of back of left hand +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  288. T23.769
    Corrosion of third degree back of unspecified hand +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  289. T23.77
    Corrosion of third degree of wrist
    Header
  290. T23.771
    Corrosion of third degree of right wrist +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  291. T23.772
    Corrosion of third degree of left wrist +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  292. T23.779
    Corrosion of third degree of unspecified wrist +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  293. T23.79
    Corrosion of third degree of multiple sites of wrist and hand
    Header
  294. T23.791
    Corrosion of third degree of multiple sites of right wrist and hand +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  295. T23.792
    Corrosion of third degree of multiple sites of left wrist and hand +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  296. T23.799
    Corrosion of third degree of multiple sites of unspecified wrist and hand +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters

CC/MCC: as a secondary diagnosis, unless the principal diagnosis is on the code’s PDX exclusion list (MS-DRG v44 Appendix C; list on the code card).

Sources of each column. Rows marked +7th need a 7th character: pick one to build the full code; its code card has its own flags.

Instructions

Notes that also apply

Block T20-T25 instructions (Includes 3, Use additional code 1): printed on the block page.

Instructions for the group T20-T32 (Includes 10, Excludes2 3): printed on the chapter 19 page.

Chapter 19 instructions (Notes 2, Excludes2 2, Use additional code 1): printed on the chapter 19 page.

7th characters

7th characters for T23 defined here

The appropriate 7th character is to be added to each code from category T23

7th characters for T23
7thMeaning (NCHS)
Ainitial encounter
Dsubsequent encounter
Ssequela

A code that takes a 7th character is invalid without it; the placeholder X fills a code shorter than 6 characters (Official Guidelines I.A.5). How 7th characters work.

Index entries

  • Burn (electricity) (flame) (hot gas, liquid or hot object) (radiation) (steam) (thermal)hand(s) → T23.009
  • Burn (electricity) (flame) (hot gas, liquid or hot object) (radiation) (steam) (thermal)thumb(s) → T23.019
  • Burn (electricity) (flame) (hot gas, liquid or hot object) (radiation) (steam) (thermal)finger → T23.029
  • Burn (electricity) (flame) (hot gas, liquid or hot object) (radiation) (steam) (thermal)palm → T23.059
  • Burn (electricity) (flame) (hot gas, liquid or hot object) (radiation) (steam) (thermal)dorsum of hand → T23.069
  • Burn (electricity) (flame) (hot gas, liquid or hot object) (radiation) (steam) (thermal)wrist → T23.079
  • Corrosion (injury) (acid) (caustic) (chemical) (lime) (external) (internal)hand(s) → T23.409
  • Corrosion (injury) (acid) (caustic) (chemical) (lime) (external) (internal)thumb(s) → T23.419
  • Corrosion (injury) (acid) (caustic) (chemical) (lime) (external) (internal)finger → T23.429
  • Corrosion (injury) (acid) (caustic) (chemical) (lime) (external) (internal)palm → T23.459
  • Corrosion (injury) (acid) (caustic) (chemical) (lime) (external) (internal)dorsum of hand → T23.469
  • Corrosion (injury) (acid) (caustic) (chemical) (lime) (external) (internal)wrist → T23.479
  • Burn (electricity) (flame) (hot gas, liquid or hot object) (radiation) (steam) (thermal)hand(s)right → T23.001
  • Burn (electricity) (flame) (hot gas, liquid or hot object) (radiation) (steam) (thermal)hand(s)left → T23.002
  • Burn (electricity) (flame) (hot gas, liquid or hot object) (radiation) (steam) (thermal)thumb(s)right → T23.011
  • Burn (electricity) (flame) (hot gas, liquid or hot object) (radiation) (steam) (thermal)thumb(s)left → T23.012
  • Burn (electricity) (flame) (hot gas, liquid or hot object) (radiation) (steam) (thermal)fingerright → T23.021
  • Burn (electricity) (flame) (hot gas, liquid or hot object) (radiation) (steam) (thermal)fingerleft → T23.022
  • Burn (electricity) (flame) (hot gas, liquid or hot object) (radiation) (steam) (thermal)fingermultiple sites (without thumb) → T23.039
  • Burn (electricity) (flame) (hot gas, liquid or hot object) (radiation) (steam) (thermal)thumb(s)multiple sites with fingers → T23.049
  • Burn (electricity) (flame) (hot gas, liquid or hot object) (radiation) (steam) (thermal)palmright → T23.051
  • Burn (electricity) (flame) (hot gas, liquid or hot object) (radiation) (steam) (thermal)palmleft → T23.052
  • Burn (electricity) (flame) (hot gas, liquid or hot object) (radiation) (steam) (thermal)dorsum of handright → T23.061
  • Burn (electricity) (flame) (hot gas, liquid or hot object) (radiation) (steam) (thermal)dorsum of handleft → T23.062
  • Burn (electricity) (flame) (hot gas, liquid or hot object) (radiation) (steam) (thermal)wristright → T23.071
  • Burn (electricity) (flame) (hot gas, liquid or hot object) (radiation) (steam) (thermal)wristleft → T23.072
  • Burn (electricity) (flame) (hot gas, liquid or hot object) (radiation) (steam) (thermal)hand(s)multiple sites with wrist → T23.099
  • Burn (electricity) (flame) (hot gas, liquid or hot object) (radiation) (steam) (thermal)wristmultiple sites with hand → T23.099
  • Burn (electricity) (flame) (hot gas, liquid or hot object) (radiation) (steam) (thermal)hand(s)first degree → T23.109
  • Burn (electricity) (flame) (hot gas, liquid or hot object) (radiation) (steam) (thermal)thumb(s)first degree → T23.119
  • Burn (electricity) (flame) (hot gas, liquid or hot object) (radiation) (steam) (thermal)fingerfirst degree → T23.129
  • Burn (electricity) (flame) (hot gas, liquid or hot object) (radiation) (steam) (thermal)palmfirst degree → T23.159
  • Burn (electricity) (flame) (hot gas, liquid or hot object) (radiation) (steam) (thermal)dorsum of handfirst degree → T23.169
  • Burn (electricity) (flame) (hot gas, liquid or hot object) (radiation) (steam) (thermal)wristfirst degree → T23.179
  • Burn (electricity) (flame) (hot gas, liquid or hot object) (radiation) (steam) (thermal)hand(s)second degree → T23.209
  • Burn (electricity) (flame) (hot gas, liquid or hot object) (radiation) (steam) (thermal)thumb(s)second degree → T23.219
  • Burn (electricity) (flame) (hot gas, liquid or hot object) (radiation) (steam) (thermal)fingersecond degree → T23.229
  • Burn (electricity) (flame) (hot gas, liquid or hot object) (radiation) (steam) (thermal)palmsecond degree → T23.259
  • Burn (electricity) (flame) (hot gas, liquid or hot object) (radiation) (steam) (thermal)dorsum of handsecond degree → T23.269
  • Burn (electricity) (flame) (hot gas, liquid or hot object) (radiation) (steam) (thermal)wristsecond degree → T23.279

224 more, longer entries are not listed; the search box finds them by word.

NCHS Alphabetic Index. Index first, then the Tabular List.

Hierarchy