DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

M84 Disorder of continuity of bone

  • Header · not billable
  • Some codes take a 7th character

M84 is not billable. The category heads 928 billable codes in FY2027, grouped under 7 subdivisions.

Index → code

  • Diastasiscranial bones → M84.88
  • Fracture, pathological (pathologic)hip → M84.459
  • Fracture, pathological (pathologic)rib → M84.48
Billable codes
928
Subdivisions
7
CC / MCC codes
412 / 0
HCC V28 codes
18
New FY2027
0
Index entries
124

Codes in M84

  1. M84.3
    Stress fracture
    Header
    Inclusion terms 4, Excludes1 3, Excludes2 2, Use additional code 1

    Inclusion terms

    • Fatigue fracture
    • March fracture
    • Stress fracture NOS
    • Stress reaction

    Excludes1

    • pathological fracture NOS (M84.4.-) M84.4
    • pathological fracture due to osteoporosis (M80.-) M80
    • traumatic fracture (S12.-, S22.-, S32.-, S42.-, S52.-, S62.-, S72.-, S82.-, S92.-) S12 S22 S32 S42 S52 S62 S72 S82 S92

    Excludes2

    • personal history of (healed) stress (fatigue) fracture (Z87.312) Z87.312
    • stress fracture of vertebra (M48.4-) M48.4

    Use additional code

    • external cause code(s) to identify the cause of the stress fracture
  2. M84.30
    Stress fracture, unspecified site +7th: A D G K P S
    Needs 7th characterCC K P
  3. M84.31
    Stress fracture, shoulder
    Header
  4. M84.311
    Stress fracture, right shoulder +7th: A D G K P S
    Needs 7th characterCC K P
  5. M84.312
    Stress fracture, left shoulder +7th: A D G K P S
    Needs 7th characterCC K P
  6. M84.319
    Stress fracture, unspecified shoulder +7th: A D G K P S
    Needs 7th characterCC K P
  7. M84.32
    Stress fracture, humerus
    Header
  8. M84.321
    Stress fracture, right humerus +7th: A D G K P S
    Needs 7th characterCC K P
  9. M84.322
    Stress fracture, left humerus +7th: A D G K P S
    Needs 7th characterCC K P
  10. M84.329
    Stress fracture, unspecified humerus +7th: A D G K P S
    Needs 7th characterCC K P
  11. M84.33
    Stress fracture, ulna and radius
    Header
  12. M84.331
    Stress fracture, right ulna +7th: A D G K P S
    Needs 7th characterCC K P
  13. M84.332
    Stress fracture, left ulna +7th: A D G K P S
    Needs 7th characterCC K P
  14. M84.333
    Stress fracture, right radius +7th: A D G K P S
    Needs 7th characterCC K P
  15. M84.334
    Stress fracture, left radius +7th: A D G K P S
    Needs 7th characterCC K P
  16. M84.339
    Stress fracture, unspecified ulna and radius +7th: A D G K P S
    Needs 7th characterCC K P
  17. M84.34
    Stress fracture, hand and fingers
    Header
  18. M84.341
    Stress fracture, right hand +7th: A D G K P S
    Needs 7th characterCC K P
  19. M84.342
    Stress fracture, left hand +7th: A D G K P S
    Needs 7th characterCC K P
  20. M84.343
    Stress fracture, unspecified hand +7th: A D G K P S
    Needs 7th characterCC K P
  21. M84.344
    Stress fracture, right finger(s) +7th: A D G K P S
    Needs 7th characterCC K P
  22. M84.345
    Stress fracture, left finger(s) +7th: A D G K P S
    Needs 7th characterCC K P
  23. M84.346
    Stress fracture, unspecified finger(s) +7th: A D G K P S
    Needs 7th characterCC K P
  24. M84.35
    Stress fracture, pelvis and femur
    Header
    Inclusion terms 1

    Inclusion terms

    • Stress fracture, hip
  25. M84.350
    Stress fracture, pelvis +7th: A D G K P S
    Needs 7th characterCC K P
  26. M84.351
    Stress fracture, right femur +7th: A D G K P S
    Needs 7th characterCC K P
  27. M84.352
    Stress fracture, left femur +7th: A D G K P S
    Needs 7th characterCC K P
  28. M84.353
    Stress fracture, unspecified femur +7th: A D G K P S
    Needs 7th characterCC K P
  29. M84.359
    Stress fracture, hip, unspecified +7th: A D G K P S
    Needs 7th characterCC K P
  30. M84.36
    Stress fracture, tibia and fibula
    Header
  31. M84.361
    Stress fracture, right tibia +7th: A D G K P S
    Needs 7th characterCC K P
  32. M84.362
    Stress fracture, left tibia +7th: A D G K P S
    Needs 7th characterCC K P
  33. M84.363
    Stress fracture, right fibula +7th: A D G K P S
    Needs 7th characterCC K P
  34. M84.364
    Stress fracture, left fibula +7th: A D G K P S
    Needs 7th characterCC K P
  35. M84.369
    Stress fracture, unspecified tibia and fibula +7th: A D G K P S
    Needs 7th characterCC K P
  36. M84.37
    Stress fracture, ankle, foot and toes
    Header
  37. M84.371
    Stress fracture, right ankle +7th: A D G K P S
    Needs 7th characterCC K P
  38. M84.372
    Stress fracture, left ankle +7th: A D G K P S
    Needs 7th characterCC K P
  39. M84.373
    Stress fracture, unspecified ankle +7th: A D G K P S
    Needs 7th characterCC K P
  40. M84.374
    Stress fracture, right foot +7th: A D G K P S
    Needs 7th characterCC K P
  41. M84.375
    Stress fracture, left foot +7th: A D G K P S
    Needs 7th characterCC K P
  42. M84.376
    Stress fracture, unspecified foot +7th: A D G K P S
    Needs 7th characterCC K P
  43. M84.377
    Stress fracture, right toe(s) +7th: A D G K P S
    Needs 7th characterCC K P
  44. M84.378
    Stress fracture, left toe(s) +7th: A D G K P S
    Needs 7th characterCC K P
  45. M84.379
    Stress fracture, unspecified toe(s) +7th: A D G K P S
    Needs 7th characterCC K P
  46. M84.38
    Stress fracture, other site +7th: A D G K P S
    Needs 7th characterCC K P
    Excludes2 1

    Excludes2

    • stress fracture of vertebra (M48.4-) M48.4
  47. M84.4
    Pathological fracture, not elsewhere classified
    Header
    Inclusion terms 2, Excludes1 6, Excludes2 1

    Inclusion terms

    • Chronic fracture
    • Pathological fracture NOS

    Excludes1

    • collapsed vertebra NEC (M48.5) M48.5
    • pathological fracture in neoplastic disease (M84.5-) M84.5
    • pathological fracture in osteoporosis (M80.-) M80
    • pathological fracture in other disease (M84.6-) M84.6
    • stress fracture (M84.3-) M84.3
    • traumatic fracture (S12.-, S22.-, S32.-, S42.-, S52.-, S62.-, S72.-, S82.-, S92.-) S12 S22 S32 S42 S52 S62 S72 S82 S92

    Excludes2

    • personal history of (healed) pathological fracture (Z87.311) Z87.311
  48. M84.40
    Pathological fracture, unspecified site +7th: A D G K P S
    Needs 7th characterCC A K P
  49. M84.41
    Pathological fracture, shoulder
    Header
  50. M84.411
    Pathological fracture, right shoulder +7th: A D G K P S
    Needs 7th characterCC A K P
  51. M84.412
    Pathological fracture, left shoulder +7th: A D G K P S
    Needs 7th characterCC A K P
  52. M84.419
    Pathological fracture, unspecified shoulder +7th: A D G K P S
    Needs 7th characterCC A K P
  53. M84.42
    Pathological fracture, humerus
    Header
  54. M84.421
    Pathological fracture, right humerus +7th: A D G K P S
    Needs 7th characterCC A K P
  55. M84.422
    Pathological fracture, left humerus +7th: A D G K P S
    Needs 7th characterCC A K P
  56. M84.429
    Pathological fracture, unspecified humerus +7th: A D G K P S
    Needs 7th characterCC A K P
  57. M84.43
    Pathological fracture, ulna and radius
    Header
  58. M84.431
    Pathological fracture, right ulna +7th: A D G K P S
    Needs 7th characterCC A K P
  59. M84.432
    Pathological fracture, left ulna +7th: A D G K P S
    Needs 7th characterCC A K P
  60. M84.433
    Pathological fracture, right radius +7th: A D G K P S
    Needs 7th characterCC A K P
  61. M84.434
    Pathological fracture, left radius +7th: A D G K P S
    Needs 7th characterCC A K P
  62. M84.439
    Pathological fracture, unspecified ulna and radius +7th: A D G K P S
    Needs 7th characterCC A K P
  63. M84.44
    Pathological fracture, hand and fingers
    Header
  64. M84.441
    Pathological fracture, right hand +7th: A D G K P S
    Needs 7th characterCC A K P
  65. M84.442
    Pathological fracture, left hand +7th: A D G K P S
    Needs 7th characterCC A K P
  66. M84.443
    Pathological fracture, unspecified hand +7th: A D G K P S
    Needs 7th characterCC A K P
  67. M84.444
    Pathological fracture, right finger(s) +7th: A D G K P S
    Needs 7th characterCC A K P
  68. M84.445
    Pathological fracture, left finger(s) +7th: A D G K P S
    Needs 7th characterCC A K P
  69. M84.446
    Pathological fracture, unspecified finger(s) +7th: A D G K P S
    Needs 7th characterCC A K P
  70. M84.45
    Pathological fracture, femur and pelvis
    Header
  71. M84.451
    Pathological fracture, right femur +7th: A D G K P S
    Needs 7th characterCC A K P402 (some 7th characters)
  72. M84.452
    Pathological fracture, left femur +7th: A D G K P S
    Needs 7th characterCC A K P402 (some 7th characters)
  73. M84.453
    Pathological fracture, unspecified femur +7th: A D G K P S
    Needs 7th characterCC A K P402 (some 7th characters)
  74. M84.454
    Pathological fracture, pelvis +7th: A D G K P S
    Needs 7th characterCC A K P
  75. M84.459
    Pathological fracture, hip, unspecified +7th: A D G K P S
    Needs 7th characterCC A K P402 (some 7th characters)
  76. M84.46
    Pathological fracture, tibia and fibula
    Header
  77. M84.461
    Pathological fracture, right tibia +7th: A D G K P S
    Needs 7th characterCC A K P
  78. M84.462
    Pathological fracture, left tibia +7th: A D G K P S
    Needs 7th characterCC A K P
  79. M84.463
    Pathological fracture, right fibula +7th: A D G K P S
    Needs 7th characterCC A K P
  80. M84.464
    Pathological fracture, left fibula +7th: A D G K P S
    Needs 7th characterCC A K P
  81. M84.469
    Pathological fracture, unspecified tibia and fibula +7th: A D G K P S
    Needs 7th characterCC A K P
  82. M84.47
    Pathological fracture, ankle, foot and toes
    Header
  83. M84.471
    Pathological fracture, right ankle +7th: A D G K P S
    Needs 7th characterCC A K P
  84. M84.472
    Pathological fracture, left ankle +7th: A D G K P S
    Needs 7th characterCC A K P
  85. M84.473
    Pathological fracture, unspecified ankle +7th: A D G K P S
    Needs 7th characterCC A K P
  86. M84.474
    Pathological fracture, right foot +7th: A D G K P S
    Needs 7th characterCC A K P
  87. M84.475
    Pathological fracture, left foot +7th: A D G K P S
    Needs 7th characterCC A K P
  88. M84.476
    Pathological fracture, unspecified foot +7th: A D G K P S
    Needs 7th characterCC A K P
  89. M84.477
    Pathological fracture, right toe(s) +7th: A D G K P S
    Needs 7th characterCC A K P
  90. M84.478
    Pathological fracture, left toe(s) +7th: A D G K P S
    Needs 7th characterCC A K P
  91. M84.479
    Pathological fracture, unspecified toe(s) +7th: A D G K P S
    Needs 7th characterCC A K P
  92. M84.48
    Pathological fracture, other site +7th: A D G K P S
    Needs 7th characterCC A K P
  93. M84.5
    Pathological fracture in neoplastic disease
    Header
    Code also 1

    Code also

    • underlying neoplasm
  94. M84.50
    Pathological fracture in neoplastic disease, unspecified site +7th: A D G K P S
    Needs 7th characterCC A K P
  95. M84.51
    Pathological fracture in neoplastic disease, shoulder
    Header
  96. M84.511
    Pathological fracture in neoplastic disease, right shoulder +7th: A D G K P S
    Needs 7th characterCC A K P
  97. M84.512
    Pathological fracture in neoplastic disease, left shoulder +7th: A D G K P S
    Needs 7th characterCC A K P
  98. M84.519
    Pathological fracture in neoplastic disease, unspecified shoulder +7th: A D G K P S
    Needs 7th characterCC A K P
  99. M84.52
    Pathological fracture in neoplastic disease, humerus
    Header
  100. M84.521
    Pathological fracture in neoplastic disease, right humerus +7th: A D G K P S
    Needs 7th characterCC A K P
  101. M84.522
    Pathological fracture in neoplastic disease, left humerus +7th: A D G K P S
    Needs 7th characterCC A K P
  102. M84.529
    Pathological fracture in neoplastic disease, unspecified humerus +7th: A D G K P S
    Needs 7th characterCC A K P
  103. M84.53
    Pathological fracture in neoplastic disease, ulna and radius
    Header
  104. M84.531
    Pathological fracture in neoplastic disease, right ulna +7th: A D G K P S
    Needs 7th characterCC A K P
  105. M84.532
    Pathological fracture in neoplastic disease, left ulna +7th: A D G K P S
    Needs 7th characterCC A K P
  106. M84.533
    Pathological fracture in neoplastic disease, right radius +7th: A D G K P S
    Needs 7th characterCC A K P
  107. M84.534
    Pathological fracture in neoplastic disease, left radius +7th: A D G K P S
    Needs 7th characterCC A K P
  108. M84.539
    Pathological fracture in neoplastic disease, unspecified ulna and radius +7th: A D G K P S
    Needs 7th characterCC A K P
  109. M84.54
    Pathological fracture in neoplastic disease, hand
    Header
  110. M84.541
    Pathological fracture in neoplastic disease, right hand +7th: A D G K P S
    Needs 7th characterCC A K P
  111. M84.542
    Pathological fracture in neoplastic disease, left hand +7th: A D G K P S
    Needs 7th characterCC A K P
  112. M84.549
    Pathological fracture in neoplastic disease, unspecified hand +7th: A D G K P S
    Needs 7th characterCC A K P
  113. M84.55
    Pathological fracture in neoplastic disease, pelvis and femur
    Header
  114. M84.550
    Pathological fracture in neoplastic disease, pelvis +7th: A D G K P S
    Needs 7th characterCC A K P
  115. M84.551
    Pathological fracture in neoplastic disease, right femur +7th: A D G K P S
    Needs 7th characterCC A K P402 (some 7th characters)
  116. M84.552
    Pathological fracture in neoplastic disease, left femur +7th: A D G K P S
    Needs 7th characterCC A K P402 (some 7th characters)
  117. M84.553
    Pathological fracture in neoplastic disease, unspecified femur +7th: A D G K P S
    Needs 7th characterCC A K P402 (some 7th characters)
  118. M84.559
    Pathological fracture in neoplastic disease, hip, unspecified +7th: A D G K P S
    Needs 7th characterCC A K P402 (some 7th characters)
  119. M84.56
    Pathological fracture in neoplastic disease, tibia and fibula
    Header
  120. M84.561
    Pathological fracture in neoplastic disease, right tibia +7th: A D G K P S
    Needs 7th characterCC A K P
  121. M84.562
    Pathological fracture in neoplastic disease, left tibia +7th: A D G K P S
    Needs 7th characterCC A K P
  122. M84.563
    Pathological fracture in neoplastic disease, right fibula +7th: A D G K P S
    Needs 7th characterCC A K P
  123. M84.564
    Pathological fracture in neoplastic disease, left fibula +7th: A D G K P S
    Needs 7th characterCC A K P
  124. M84.569
    Pathological fracture in neoplastic disease, unspecified tibia and fibula +7th: A D G K P S
    Needs 7th characterCC A K P
  125. M84.57
    Pathological fracture in neoplastic disease, ankle and foot
    Header
  126. M84.571
    Pathological fracture in neoplastic disease, right ankle +7th: A D G K P S
    Needs 7th characterCC A K P
  127. M84.572
    Pathological fracture in neoplastic disease, left ankle +7th: A D G K P S
    Needs 7th characterCC A K P
  128. M84.573
    Pathological fracture in neoplastic disease, unspecified ankle +7th: A D G K P S
    Needs 7th characterCC A K P
  129. M84.574
    Pathological fracture in neoplastic disease, right foot +7th: A D G K P S
    Needs 7th characterCC A K P
  130. M84.575
    Pathological fracture in neoplastic disease, left foot +7th: A D G K P S
    Needs 7th characterCC A K P
  131. M84.576
    Pathological fracture in neoplastic disease, unspecified foot +7th: A D G K P S
    Needs 7th characterCC A K P
  132. M84.58
    Pathological fracture in neoplastic disease, other specified site +7th: A D G K P S
    Needs 7th characterCC A K P
    Inclusion terms 1

    Inclusion terms

    • Pathological fracture in neoplastic disease, vertebrae
  133. M84.6
    Pathological fracture in other disease
    Header
    Excludes1 1, Code also 1

    Excludes1

    • pathological fracture in osteoporosis (M80.-) M80

    Code also

    • underlying condition
  134. M84.60
    Pathological fracture in other disease, unspecified site +7th: A D G K P S
    Needs 7th characterCC A K P
  135. M84.61
    Pathological fracture in other disease, shoulder
    Header
  136. M84.611
    Pathological fracture in other disease, right shoulder +7th: A D G K P S
    Needs 7th characterCC A K P
  137. M84.612
    Pathological fracture in other disease, left shoulder +7th: A D G K P S
    Needs 7th characterCC A K P
  138. M84.619
    Pathological fracture in other disease, unspecified shoulder +7th: A D G K P S
    Needs 7th characterCC A K P
  139. M84.62
    Pathological fracture in other disease, humerus
    Header
  140. M84.621
    Pathological fracture in other disease, right humerus +7th: A D G K P S
    Needs 7th characterCC A K P
  141. M84.622
    Pathological fracture in other disease, left humerus +7th: A D G K P S
    Needs 7th characterCC A K P
  142. M84.629
    Pathological fracture in other disease, unspecified humerus +7th: A D G K P S
    Needs 7th characterCC A K P
  143. M84.63
    Pathological fracture in other disease, ulna and radius
    Header
  144. M84.631
    Pathological fracture in other disease, right ulna +7th: A D G K P S
    Needs 7th characterCC A K P
  145. M84.632
    Pathological fracture in other disease, left ulna +7th: A D G K P S
    Needs 7th characterCC A K P
  146. M84.633
    Pathological fracture in other disease, right radius +7th: A D G K P S
    Needs 7th characterCC A K P
  147. M84.634
    Pathological fracture in other disease, left radius +7th: A D G K P S
    Needs 7th characterCC A K P
  148. M84.639
    Pathological fracture in other disease, unspecified ulna and radius +7th: A D G K P S
    Needs 7th characterCC A K P
  149. M84.64
    Pathological fracture in other disease, hand
    Header
  150. M84.641
    Pathological fracture in other disease, right hand +7th: A D G K P S
    Needs 7th characterCC A K P
  151. M84.642
    Pathological fracture in other disease, left hand +7th: A D G K P S
    Needs 7th characterCC A K P
  152. M84.649
    Pathological fracture in other disease, unspecified hand +7th: A D G K P S
    Needs 7th characterCC A K P
  153. M84.65
    Pathological fracture in other disease, pelvis and femur
    Header
  154. M84.650
    Pathological fracture in other disease, pelvis +7th: A D G K P S
    Needs 7th characterCC A K P
  155. M84.651
    Pathological fracture in other disease, right femur +7th: A D G K P S
    Needs 7th characterCC A K P402 (some 7th characters)
  156. M84.652
    Pathological fracture in other disease, left femur +7th: A D G K P S
    Needs 7th characterCC A K P402 (some 7th characters)
  157. M84.653
    Pathological fracture in other disease, unspecified femur +7th: A D G K P S
    Needs 7th characterCC A K P402 (some 7th characters)
  158. M84.659
    Pathological fracture in other disease, hip, unspecified +7th: A D G K P S
    Needs 7th characterCC A K P402 (some 7th characters)
  159. M84.66
    Pathological fracture in other disease, tibia and fibula
    Header
  160. M84.661
    Pathological fracture in other disease, right tibia +7th: A D G K P S
    Needs 7th characterCC A K P
  161. M84.662
    Pathological fracture in other disease, left tibia +7th: A D G K P S
    Needs 7th characterCC A K P
  162. M84.663
    Pathological fracture in other disease, right fibula +7th: A D G K P S
    Needs 7th characterCC A K P
  163. M84.664
    Pathological fracture in other disease, left fibula +7th: A D G K P S
    Needs 7th characterCC A K P
  164. M84.669
    Pathological fracture in other disease, unspecified tibia and fibula +7th: A D G K P S
    Needs 7th characterCC A K P
  165. M84.67
    Pathological fracture in other disease, ankle and foot
    Header
  166. M84.671
    Pathological fracture in other disease, right ankle +7th: A D G K P S
    Needs 7th characterCC A K P
  167. M84.672
    Pathological fracture in other disease, left ankle +7th: A D G K P S
    Needs 7th characterCC A K P
  168. M84.673
    Pathological fracture in other disease, unspecified ankle +7th: A D G K P S
    Needs 7th characterCC A K P
  169. M84.674
    Pathological fracture in other disease, right foot +7th: A D G K P S
    Needs 7th characterCC A K P
  170. M84.675
    Pathological fracture in other disease, left foot +7th: A D G K P S
    Needs 7th characterCC A K P
  171. M84.676
    Pathological fracture in other disease, unspecified foot +7th: A D G K P S
    Needs 7th characterCC A K P
  172. M84.68
    Pathological fracture in other disease, other site +7th: A D G K P S
    Needs 7th characterCC A K P
  173. M84.7
    Nontraumatic fracture, not elsewhere classified
    Header
  174. M84.75
    Atypical femoral fracture
    Header
  175. M84.750
    Atypical femoral fracture, unspecified +7th: A D G K P S
    Needs 7th characterCC A K PExempt: 5 of 6 7th characters
  176. M84.751
    Incomplete atypical femoral fracture, right leg +7th: A D G K P S
    Needs 7th characterCC A K PExempt: 5 of 6 7th characters
  177. M84.752
    Incomplete atypical femoral fracture, left leg +7th: A D G K P S
    Needs 7th characterCC A K PExempt: 5 of 6 7th characters
  178. M84.753
    Incomplete atypical femoral fracture, unspecified leg +7th: A D G K P S
    Needs 7th characterCC A K PExempt: 5 of 6 7th characters
  179. M84.754
    Complete transverse atypical femoral fracture, right leg +7th: A D G K P S
    Needs 7th characterCC A K P402 (some 7th characters)Exempt: 5 of 6 7th characters
  180. M84.755
    Complete transverse atypical femoral fracture, left leg +7th: A D G K P S
    Needs 7th characterCC A K P402 (some 7th characters)Exempt: 5 of 6 7th characters
  181. M84.756
    Complete transverse atypical femoral fracture, unspecified leg +7th: A D G K P S
    Needs 7th characterCC A K P402 (some 7th characters)Exempt: 5 of 6 7th characters
  182. M84.757
    Complete oblique atypical femoral fracture, right leg +7th: A D G K P S
    Needs 7th characterCC A K P402 (some 7th characters)Exempt: 5 of 6 7th characters
  183. M84.758
    Complete oblique atypical femoral fracture, left leg +7th: A D G K P S
    Needs 7th characterCC A K P402 (some 7th characters)Exempt: 5 of 6 7th characters
  184. M84.759
    Complete oblique atypical femoral fracture, unspecified leg +7th: A D G K P S
    Needs 7th characterCC A K P402 (some 7th characters)Exempt: 5 of 6 7th characters
  185. M84.8
    Other disorders of continuity of bone
    Header
  186. M84.80
    Other disorders of continuity of bone, unspecified site
    Billable
  187. M84.81
    Other disorders of continuity of bone, shoulder
    Header
  188. M84.811
    Other disorders of continuity of bone, right shoulder
    Billable
  189. M84.812
    Other disorders of continuity of bone, left shoulder
    Billable
  190. M84.819
    Other disorders of continuity of bone, unspecified shoulder
    Billable
  191. M84.82
    Other disorders of continuity of bone, humerus
    Header
  192. M84.821
    Other disorders of continuity of bone, right humerus
    Billable
  193. M84.822
    Other disorders of continuity of bone, left humerus
    Billable
  194. M84.829
    Other disorders of continuity of bone, unspecified humerus
    Billable
  195. M84.83
    Other disorders of continuity of bone, ulna and radius
    Header
  196. M84.831
    Other disorders of continuity of bone, right ulna
    Billable
  197. M84.832
    Other disorders of continuity of bone, left ulna
    Billable
  198. M84.833
    Other disorders of continuity of bone, right radius
    Billable
  199. M84.834
    Other disorders of continuity of bone, left radius
    Billable
  200. M84.839
    Other disorders of continuity of bone, unspecified ulna and radius
    Billable
  201. M84.84
    Other disorders of continuity of bone, hand
    Header
  202. M84.841
    Other disorders of continuity of bone, right hand
    Billable
  203. M84.842
    Other disorders of continuity of bone, left hand
    Billable
  204. M84.849
    Other disorders of continuity of bone, unspecified hand
    Billable
  205. M84.85
    Other disorders of continuity of bone, pelvic region and thigh
    Header
  206. M84.851
    Other disorders of continuity of bone, right pelvic region and thigh
    Billable
  207. M84.852
    Other disorders of continuity of bone, left pelvic region and thigh
    Billable
  208. M84.859
    Other disorders of continuity of bone, unspecified pelvic region and thigh
    Billable
  209. M84.86
    Other disorders of continuity of bone, tibia and fibula
    Header
  210. M84.861
    Other disorders of continuity of bone, right tibia
    Billable
  211. M84.862
    Other disorders of continuity of bone, left tibia
    Billable
  212. M84.863
    Other disorders of continuity of bone, right fibula
    Billable
  213. M84.864
    Other disorders of continuity of bone, left fibula
    Billable
  214. M84.869
    Other disorders of continuity of bone, unspecified tibia and fibula
    Billable
  215. M84.87
    Other disorders of continuity of bone, ankle and foot
    Header
  216. M84.871
    Other disorders of continuity of bone, right ankle and foot
    Billable
  217. M84.872
    Other disorders of continuity of bone, left ankle and foot
    Billable
  218. M84.879
    Other disorders of continuity of bone, unspecified ankle and foot
    Billable
  219. M84.88
    Other disorders of continuity of bone, other site
    Billable
  220. M84.9
    Disorder of continuity of bone, unspecified
    Billable

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

At M84

Excludes2

  • traumatic fracture of bone-see fracture, by site

Notes that also apply

Chapter 13 instructions (Notes 1, Excludes2 10): printed on the chapter 13 page.

7th characters

7th characters for M84.3 defined at M84.3

The appropriate 7th character is to be added to each code from subcategory M84.3:

7th characters for M84.3
7thMeaning (NCHS)
Ainitial encounter for fracture
Dsubsequent encounter for fracture with routine healing
Gsubsequent encounter for fracture with delayed healing
Ksubsequent encounter for fracture with nonunion
Psubsequent encounter for fracture with malunion
Ssequela

7th characters for M84.4 defined at M84.4

The appropriate 7th character is to be added to each code from subcategory M84.4:

7th characters for M84.4
7thMeaning (NCHS)
Ainitial encounter for fracture
Dsubsequent encounter for fracture with routine healing
Gsubsequent encounter for fracture with delayed healing
Ksubsequent encounter for fracture with nonunion
Psubsequent encounter for fracture with malunion
Ssequela

7th characters for M84.5 defined at M84.5

The appropriate 7th character is to be added to each code from subcategory M84.5:

7th characters for M84.5
7thMeaning (NCHS)
Ainitial encounter for fracture
Dsubsequent encounter for fracture with routine healing
Gsubsequent encounter for fracture with delayed healing
Ksubsequent encounter for fracture with nonunion
Psubsequent encounter for fracture with malunion
Ssequela

7th characters for M84.6 defined at M84.6

The appropriate 7th character is to be added to each code from subcategory M84.6:

7th characters for M84.6
7thMeaning (NCHS)
Ainitial encounter for fracture
Dsubsequent encounter for fracture with routine healing
Gsubsequent encounter for fracture with delayed healing
Ksubsequent encounter for fracture with nonunion
Psubsequent encounter for fracture with malunion
Ssequela

7th characters for M84.75 defined at M84.75

The appropriate 7th character is to be added to each code from M84.75:

7th characters for M84.75
7thMeaning (NCHS)
Ainitial encounter for fracture
Dsubsequent encounter for fracture with routine healing
Gsubsequent encounter for fracture with delayed healing
Ksubsequent encounter for fracture with nonunion
Psubsequent encounter for fracture with malunion
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

  • Fracture, traumatic (abduction) (adduction) (separation)stress → M84.30
  • Fracture, pathological (pathologic)clavicle → M84.41-
  • Fracture, pathological (pathologic)scapula → M84.41-
  • Fracture, pathological (pathologic)humerus → M84.42-
  • Fracture, pathological (pathologic)radius → M84.43-
  • Fracture, pathological (pathologic)ulna → M84.43-
  • Fracture, pathological (pathologic)carpus → M84.44-
  • Fracture, pathological (pathologic)finger → M84.44-
  • Fracture, pathological (pathologic)metacarpus → M84.44-
  • Fracture, pathological (pathologic)femur → M84.45-
  • Fracture, pathological (pathologic)ilium → M84.454
  • Fracture, pathological (pathologic)ischium → M84.454
  • Fracture, pathological (pathologic)pelvis → M84.454
  • Fracture, pathological (pathologic)hip → M84.459
  • Fracture, pathological (pathologic)fibula → M84.46-
  • Fracture, pathological (pathologic)tibia → M84.46-
  • Fracture, pathological (pathologic)ankle → M84.47-
  • Fracture, pathological (pathologic)metatarsus → M84.47-
  • Fracture, pathological (pathologic)tarsus → M84.47-
  • Fracture, pathological (pathologic)toe → M84.47-
  • Fracture, pathological (pathologic)neck → M84.48
  • Fracture, pathological (pathologic)rib → M84.48
  • Fracture, pathological (pathologic)skull → M84.48
  • Fracture, pathological (pathologic)vertebra → M84.48
  • Diastasiscranial bones → M84.88
  • Fracture, traumatic (abduction) (adduction) (separation)stressclavicle → M84.31-
  • Fracture, traumatic (abduction) (adduction) (separation)stressscapula → M84.31-
  • Fracture, traumatic (abduction) (adduction) (separation)stresshumerus → M84.32-
  • Fracture, traumatic (abduction) (adduction) (separation)stressradius → M84.33-
  • Fracture, traumatic (abduction) (adduction) (separation)stressulna → M84.33-
  • Fracture, traumatic (abduction) (adduction) (separation)stresscarpus → M84.34-
  • Fracture, traumatic (abduction) (adduction) (separation)stressfinger → M84.34-
  • Fracture, traumatic (abduction) (adduction) (separation)stressmetacarpus → M84.34-
  • Fracture, traumatic (abduction) (adduction) (separation)stressfemur → M84.35-
  • Fracture, traumatic (abduction) (adduction) (separation)stresship → M84.35-
  • Fracture, traumatic (abduction) (adduction) (separation)stressilium → M84.350
  • Fracture, traumatic (abduction) (adduction) (separation)stressischium → M84.350
  • Fracture, traumatic (abduction) (adduction) (separation)stresspelvis → M84.350
  • Fracture, traumatic (abduction) (adduction) (separation)stressfemoral neck → M84.359
  • Fracture, traumatic (abduction) (adduction) (separation)stressfibula → M84.36-

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

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

Hierarchy