DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

S00 Superficial injury of head

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

S00 is not billable. The category heads 288 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

Billable codes
288
Subdivisions
8
CC / MCC codes
0 / 0
HCC V28 codes
0
New FY2027
0
Index entries
208

Codes in S00

  1. S00.0
    Superficial injury of scalp
    Header
  2. S00.00
    Unspecified superficial injury of scalp +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  3. S00.01
    Abrasion of scalp +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  4. S00.02
    Blister (nonthermal) of scalp +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  5. S00.03
    Contusion of scalp +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
    Inclusion terms 2

    Inclusion terms

    • Bruise of scalp
    • Hematoma of scalp
  6. S00.04
    External constriction of part of scalp +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  7. S00.05
    Superficial foreign body of scalp +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
    Inclusion terms 1

    Inclusion terms

    • Splinter in the scalp
  8. S00.06
    Insect bite (nonvenomous) of scalp +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  9. S00.07
    Other superficial bite of scalp +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
    Excludes1 1

    Excludes1

    • open bite of scalp (S01.05) S01.05
  10. S00.1
    Contusion of eyelid and periocular area
    Header
    Inclusion terms 1, Excludes2 1

    Inclusion terms

    • Black eye

    Excludes2

    • contusion of eyeball and orbital tissues (S05.1-) S05.1
  11. S00.10
    Contusion of unspecified eyelid and periocular area +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  12. S00.11
    Contusion of right eyelid and periocular area +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  13. S00.12
    Contusion of left eyelid and periocular area +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  14. S00.2
    Other and unspecified superficial injuries of eyelid and periocular area
    Header
    Excludes2 1

    Excludes2

    • superficial injury of conjunctiva and cornea (S05.0-) S05.0
  15. S00.20
    Unspecified superficial injury of eyelid and periocular area
    Header
  16. S00.201
    Unspecified superficial injury of right eyelid and periocular area +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  17. S00.202
    Unspecified superficial injury of left eyelid and periocular area +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  18. S00.209
    Unspecified superficial injury of unspecified eyelid and periocular area +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  19. S00.21
    Abrasion of eyelid and periocular area
    Header
  20. S00.211
    Abrasion of right eyelid and periocular area +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  21. S00.212
    Abrasion of left eyelid and periocular area +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  22. S00.219
    Abrasion of unspecified eyelid and periocular area +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  23. S00.22
    Blister (nonthermal) of eyelid and periocular area
    Header
  24. S00.221
    Blister (nonthermal) of right eyelid and periocular area +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  25. S00.222
    Blister (nonthermal) of left eyelid and periocular area +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  26. S00.229
    Blister (nonthermal) of unspecified eyelid and periocular area +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  27. S00.24
    External constriction of eyelid and periocular area
    Header
  28. S00.241
    External constriction of right eyelid and periocular area +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  29. S00.242
    External constriction of left eyelid and periocular area +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  30. S00.249
    External constriction of unspecified eyelid and periocular area +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  31. S00.25
    Superficial foreign body of eyelid and periocular area
    Header
    Inclusion terms 1, Excludes2 1

    Inclusion terms

    • Splinter of eyelid and periocular area

    Excludes2

    • retained foreign body in eyelid (H02.81-) H02.81
  32. S00.251
    Superficial foreign body of right eyelid and periocular area +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  33. S00.252
    Superficial foreign body of left eyelid and periocular area +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  34. S00.259
    Superficial foreign body of unspecified eyelid and periocular area +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  35. S00.26
    Insect bite (nonvenomous) of eyelid and periocular area
    Header
  36. S00.261
    Insect bite (nonvenomous) of right eyelid and periocular area +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  37. S00.262
    Insect bite (nonvenomous) of left eyelid and periocular area +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  38. S00.269
    Insect bite (nonvenomous) of unspecified eyelid and periocular area +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  39. S00.27
    Other superficial bite of eyelid and periocular area
    Header
    Excludes1 1

    Excludes1

    • open bite of eyelid and periocular area (S01.15) S01.15
  40. S00.271
    Other superficial bite of right eyelid and periocular area +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  41. S00.272
    Other superficial bite of left eyelid and periocular area +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  42. S00.279
    Other superficial bite of unspecified eyelid and periocular area +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  43. S00.3
    Superficial injury of nose
    Header
  44. S00.30
    Unspecified superficial injury of nose +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  45. S00.31
    Abrasion of nose +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  46. S00.32
    Blister (nonthermal) of nose +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  47. S00.33
    Contusion of nose +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
    Inclusion terms 2

    Inclusion terms

    • Bruise of nose
    • Hematoma of nose
  48. S00.34
    External constriction of nose +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  49. S00.35
    Superficial foreign body of nose +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
    Inclusion terms 1

    Inclusion terms

    • Splinter in the nose
  50. S00.36
    Insect bite (nonvenomous) of nose +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  51. S00.37
    Other superficial bite of nose +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
    Excludes1 1

    Excludes1

    • open bite of nose (S01.25) S01.25
  52. S00.4
    Superficial injury of ear
    Header
  53. S00.40
    Unspecified superficial injury of ear
    Header
  54. S00.401
    Unspecified superficial injury of right ear +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  55. S00.402
    Unspecified superficial injury of left ear +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  56. S00.409
    Unspecified superficial injury of unspecified ear +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  57. S00.41
    Abrasion of ear
    Header
  58. S00.411
    Abrasion of right ear +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  59. S00.412
    Abrasion of left ear +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  60. S00.419
    Abrasion of unspecified ear +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  61. S00.42
    Blister (nonthermal) of ear
    Header
  62. S00.421
    Blister (nonthermal) of right ear +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  63. S00.422
    Blister (nonthermal) of left ear +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  64. S00.429
    Blister (nonthermal) of unspecified ear +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  65. S00.43
    Contusion of ear
    Header
    Inclusion terms 2

    Inclusion terms

    • Bruise of ear
    • Hematoma of ear
  66. S00.431
    Contusion of right ear +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  67. S00.432
    Contusion of left ear +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  68. S00.439
    Contusion of unspecified ear +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  69. S00.44
    External constriction of ear
    Header
  70. S00.441
    External constriction of right ear +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  71. S00.442
    External constriction of left ear +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  72. S00.449
    External constriction of unspecified ear +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  73. S00.45
    Superficial foreign body of ear
    Header
    Inclusion terms 1

    Inclusion terms

    • Splinter in the ear
  74. S00.451
    Superficial foreign body of right ear +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  75. S00.452
    Superficial foreign body of left ear +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  76. S00.459
    Superficial foreign body of unspecified ear +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  77. S00.46
    Insect bite (nonvenomous) of ear
    Header
  78. S00.461
    Insect bite (nonvenomous) of right ear +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  79. S00.462
    Insect bite (nonvenomous) of left ear +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  80. S00.469
    Insect bite (nonvenomous) of unspecified ear +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  81. S00.47
    Other superficial bite of ear
    Header
    Excludes1 1

    Excludes1

    • open bite of ear (S01.35) S01.35
  82. S00.471
    Other superficial bite of right ear +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  83. S00.472
    Other superficial bite of left ear +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  84. S00.479
    Other superficial bite of unspecified ear +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  85. S00.5
    Superficial injury of lip and oral cavity
    Header
  86. S00.50
    Unspecified superficial injury of lip and oral cavity
    Header
  87. S00.501
    Unspecified superficial injury of lip +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  88. S00.502
    Unspecified superficial injury of oral cavity +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  89. S00.51
    Abrasion of lip and oral cavity
    Header
  90. S00.511
    Abrasion of lip +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  91. S00.512
    Abrasion of oral cavity +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  92. S00.52
    Blister (nonthermal) of lip and oral cavity
    Header
  93. S00.521
    Blister (nonthermal) of lip +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  94. S00.522
    Blister (nonthermal) of oral cavity +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  95. S00.53
    Contusion of lip and oral cavity
    Header
  96. S00.531
    Contusion of lip +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
    Inclusion terms 2

    Inclusion terms

    • Bruise of lip
    • Hematoma of lip
  97. S00.532
    Contusion of oral cavity +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
    Inclusion terms 2

    Inclusion terms

    • Bruise of oral cavity
    • Hematoma of oral cavity
  98. S00.54
    External constriction of lip and oral cavity
    Header
  99. S00.541
    External constriction of lip +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  100. S00.542
    External constriction of oral cavity +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  101. S00.55
    Superficial foreign body of lip and oral cavity
    Header
  102. S00.551
    Superficial foreign body of lip +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
    Inclusion terms 1

    Inclusion terms

    • Splinter of lip and oral cavity
  103. S00.552
    Superficial foreign body of oral cavity +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
    Inclusion terms 1

    Inclusion terms

    • Splinter of lip and oral cavity
  104. S00.56
    Insect bite (nonvenomous) of lip and oral cavity
    Header
  105. S00.561
    Insect bite (nonvenomous) of lip +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  106. S00.562
    Insect bite (nonvenomous) of oral cavity +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  107. S00.57
    Other superficial bite of lip and oral cavity
    Header
  108. S00.571
    Other superficial bite of lip +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
    Excludes1 1

    Excludes1

  109. S00.572
    Other superficial bite of oral cavity +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
    Excludes1 1

    Excludes1

    • open bite of oral cavity (S01.552) S01.552
  110. S00.8
    Superficial injury of other parts of head
    Header
    Inclusion terms 1

    Inclusion terms

    • Superficial injuries of face [any part]
  111. S00.80
    Unspecified superficial injury of other part of head +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  112. S00.81
    Abrasion of other part of head +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  113. S00.82
    Blister (nonthermal) of other part of head +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  114. S00.83
    Contusion of other part of head +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
    Inclusion terms 2

    Inclusion terms

    • Bruise of other part of head
    • Hematoma of other part of head
  115. S00.84
    External constriction of other part of head +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  116. S00.85
    Superficial foreign body of other part of head +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
    Inclusion terms 1

    Inclusion terms

    • Splinter in other part of head
  117. S00.86
    Insect bite (nonvenomous) of other part of head +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  118. S00.87
    Other superficial bite of other part of head +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
    Excludes1 1

    Excludes1

    • open bite of other part of head (S01.85) S01.85
  119. S00.9
    Superficial injury of unspecified part of head
    Header
  120. S00.90
    Unspecified superficial injury of unspecified part of head +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  121. S00.91
    Abrasion of unspecified part of head +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  122. S00.92
    Blister (nonthermal) of unspecified part of head +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  123. S00.93
    Contusion of unspecified part of head +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
    Inclusion terms 2

    Inclusion terms

    • Bruise of head
    • Hematoma of head
  124. S00.94
    External constriction of unspecified part of head +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  125. S00.95
    Superficial foreign body of unspecified part of head +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
    Inclusion terms 1

    Inclusion terms

    • Splinter of head
  126. S00.96
    Insect bite (nonvenomous) of unspecified part of head +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  127. S00.97
    Other superficial bite of unspecified part of head +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
    Excludes1 1

    Excludes1

    • open bite of head (S01.95) S01.95

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 S00

Excludes1

  • diffuse cerebral contusion (S06.2-) S06.2
  • focal cerebral contusion (S06.3-) S06.3
  • injury of eye and orbit (S05.-) S05
  • open wound of head (S01.-) S01

Notes that also apply

Block S00-S09 instructions (Includes 12, Excludes2 9, Code also 1): printed on the block page.

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

7th characters

7th characters for S00 defined here

The appropriate 7th character is to be added to each code from category S00

7th characters for S00
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

  • Abrasionoccipital region → S00.01
  • Abrasionparietal region → S00.01
  • Abrasionscalp → S00.01
  • Blister (nonthermal)occipital region → S00.02
  • Blister (nonthermal)parietal region → S00.02
  • Blister (nonthermal)scalp → S00.02
  • Contusion (skin surface intact)scalp → S00.03
  • Blackeye → S00.1-
  • Contusion (skin surface intact)canthus, eye → S00.1-
  • Contusion (skin surface intact)eyebrow → S00.1-
  • Contusion (skin surface intact)eyelid (and periocular area) → S00.1-
  • Contusion (skin surface intact)periocular area → S00.1-
  • Abrasioneyelid → S00.21-
  • Blister (nonthermal)eyelid → S00.22-
  • Abrasionnasal → S00.31
  • Abrasionnose → S00.31
  • Blister (nonthermal)nasal → S00.32
  • Blister (nonthermal)nose → S00.32
  • Contusion (skin surface intact)nasal → S00.33
  • Contusion (skin surface intact)nose → S00.33
  • Abrasionear → S00.41-
  • Blister (nonthermal)ear → S00.42-
  • Contusion (skin surface intact)ear → S00.43-
  • Abrasionlip → S00.511
  • Abrasionalveolar process → S00.512
  • Abrasiongum → S00.512
  • Abrasionmouth → S00.512
  • Abrasionoral cavity → S00.512
  • Abrasionpalate → S00.512
  • Abrasiontongue → S00.512
  • Abrasionuvula → S00.512
  • Blister (nonthermal)lip → S00.521
  • Blister (nonthermal)alveolar process → S00.522
  • Blister (nonthermal)gum → S00.522
  • Blister (nonthermal)mouth → S00.522
  • Blister (nonthermal)oral cavity → S00.522
  • Blister (nonthermal)palate → S00.522
  • Blister (nonthermal)tongue → S00.522
  • Blister (nonthermal)uvula → S00.522
  • Contusion (skin surface intact)lip → S00.531

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

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

Hierarchy