DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

C43 Malignant melanoma of skin

  • Header · not billable

C43 is not billable. The category heads 24 billable codes in FY2027, grouped under 10 subdivisions.

Index → code

  • Melanoma (malignant) → C43.9
  • Melanoma (malignant)skin → C43.9
  • Melanoma (malignant)skinarm → C43.6-

Where it sits

  1. Chapter 2 Neoplasms (C00-D49)
  2. C43-C44 Melanoma and other malignant neoplasms of skin (C43-C44)
  3. C43 Malignant melanoma of skin
Billable codes
24
Subdivisions
10
CC / MCC codes
0 / 0
HCC V28 codes
24
New FY2027
0
Index entries
66

Codes in C43

  1. C43.0
    Malignant melanoma of lip
    Billable23
    Excludes1 1

    Excludes1

    • malignant neoplasm of vermilion border of lip (C00.0-C00.2) C00.0 C00.2
  2. C43.1
    Malignant melanoma of eyelid, including canthus
    Header
  3. C43.10
    Malignant melanoma of unspecified eyelid, including canthus
    Billable23
  4. C43.11
    Malignant melanoma of right eyelid, including canthus
    Header
  5. C43.111
    Malignant melanoma of right upper eyelid, including canthus
    Billable23
  6. C43.112
    Malignant melanoma of right lower eyelid, including canthus
    Billable23
  7. C43.12
    Malignant melanoma of left eyelid, including canthus
    Header
  8. C43.121
    Malignant melanoma of left upper eyelid, including canthus
    Billable23
  9. C43.122
    Malignant melanoma of left lower eyelid, including canthus
    Billable23
  10. C43.2
    Malignant melanoma of ear and external auricular canal
    Header
  11. C43.20
    Malignant melanoma of unspecified ear and external auricular canal
    Billable23
  12. C43.21
    Malignant melanoma of right ear and external auricular canal
    Billable23
  13. C43.22
    Malignant melanoma of left ear and external auricular canal
    Billable23
  14. C43.3
    Malignant melanoma of other and unspecified parts of face
    Header
  15. C43.30
    Malignant melanoma of unspecified part of face
    Billable23
  16. C43.31
    Malignant melanoma of nose
    Billable23
  17. C43.39
    Malignant melanoma of other parts of face
    Billable23
  18. C43.4
    Malignant melanoma of scalp and neck
    Billable23
  19. C43.5
    Malignant melanoma of trunk
    Header
    Excludes2 2

    Excludes2

    • malignant neoplasm of anus NOS (C21.0) C21.0
    • malignant neoplasm of scrotum (C63.2) C63.2
  20. C43.51
    Malignant melanoma of anal skin
    Billable23
    Inclusion terms 2

    Inclusion terms

    • Malignant melanoma of anal margin
    • Malignant melanoma of perianal skin
  21. C43.52
    Malignant melanoma of skin of breast
    Billable23
  22. C43.59
    Malignant melanoma of other part of trunk
    Billable23
  23. C43.6
    Malignant melanoma of upper limb, including shoulder
    Header
  24. C43.60
    Malignant melanoma of unspecified upper limb, including shoulder
    Billable23
  25. C43.61
    Malignant melanoma of right upper limb, including shoulder
    Billable23
  26. C43.62
    Malignant melanoma of left upper limb, including shoulder
    Billable23
  27. C43.7
    Malignant melanoma of lower limb, including hip
    Header
  28. C43.70
    Malignant melanoma of unspecified lower limb, including hip
    Billable23
  29. C43.71
    Malignant melanoma of right lower limb, including hip
    Billable23
  30. C43.72
    Malignant melanoma of left lower limb, including hip
    Billable23
  31. C43.8
    Malignant melanoma of overlapping sites of skin
    Billable23
  32. C43.9
    Malignant melanoma of skin, unspecified
    Billable23
    Inclusion terms 2

    Inclusion terms

    • Malignant melanoma of unspecified site of skin
    • Melanoma (malignant) NOS

Sources of each column.

Instructions

At C43

Excludes1

  • melanoma in situ (D03.-) D03

Excludes2

  • malignant melanoma of skin of genital organs (C51-C52, C60.-, C63.-) C51 C52 C60 C63
  • Merkel cell carcinoma (C4A.-) C4A
  • sites other than skin-code to malignant neoplasm of the site

Notes that also apply

Chapter 2 instructions (Notes 8): printed on the chapter 2 page.

Index entries

  • Melanoma (malignant) → C43.9
  • Melanoma (malignant)skin → C43.9
  • Melanoma (malignant)skinlip (lower) (upper) → C43.0
  • Melanoma (malignant)skincanthus (eye) → C43.1-
  • Melanoma (malignant)skineyelid (lower) (upper) → C43.1-
  • Melanoma (malignant)skinpalpebra → C43.1-
  • Melanoma (malignant)skinauditory canal (external) → C43.2-
  • Melanoma (malignant)skinauricle (ear) → C43.2-
  • Melanoma (malignant)skinauricular canal (external) → C43.2-
  • Melanoma (malignant)skinear (external) → C43.2-
  • Melanoma (malignant)skinexternal meatus (ear) → C43.2-
  • Melanoma (malignant)skinhelix → C43.2-
  • Melanoma (malignant)skinpinna → C43.2-
  • Melanoma (malignant)skinface → C43.30
  • Melanoma (malignant)skinala nasi → C43.31
  • Melanoma (malignant)skinnose (external) → C43.31
  • Melanoma (malignant)skinbrow → C43.39
  • Melanoma (malignant)skincheek (external) → C43.39
  • Melanoma (malignant)skinchin → C43.39
  • Melanoma (malignant)skineyebrow → C43.39
  • Melanoma (malignant)skinforehead → C43.39
  • Melanoma (malignant)skinglabella → C43.39
  • Melanoma (malignant)skinjaw (external) → C43.39
  • Melanoma (malignant)skinnasolabial groove → C43.39
  • Melanoma (malignant)skintemple → C43.39
  • Melanoma (malignant)skinneck → C43.4
  • Melanoma (malignant)skinscalp → C43.4
  • Melanoma (malignant)skinanus, anal (skin) → C43.51
  • Melanoma (malignant)skinperianal skin → C43.51
  • Melanoma (malignant)skinperineum → C43.51
  • Melanoma (malignant)skinbreast (female) (male) → C43.52
  • Melanoma (malignant)skinsubmammary fold → C43.52
  • Melanoma (malignant)skinabdominal wall → C43.59
  • Melanoma (malignant)skinaxilla, axillary fold → C43.59
  • Melanoma (malignant)skinback → C43.59
  • Melanoma (malignant)skinbuttock → C43.59
  • Melanoma (malignant)skinchest wall → C43.59
  • Melanoma (malignant)skinflank → C43.59
  • Melanoma (malignant)skingluteal region → C43.59
  • Melanoma (malignant)skingroin → C43.59

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

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

Hierarchy