DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Block · Chapter 2

C43-C44 Melanoma and other malignant neoplasms of skin (C43-C44)

Block C43-C44 groups 3 categories with 149 billable codes in FY2027.

Where it sits

  1. Chapter 2 Neoplasms (C00-D49)
  2. C43-C44 Melanoma and other malignant neoplasms of skin (C43-C44)

Neighbouring blocks

Categories
3
Billable codes
149
CC codes
0
MCC codes
0
HCC V28 codes
48
New FY2027
0

Categories in C43-C44

  • C43

    Malignant melanoma of skin

    Melanoma (malignant) → C43.9

    • 24 billable codes
    • 24 with HCC
  • C4A

    Merkel cell carcinoma

    Carcinoma (malignant)Merkel cell → C4A.9

    • 24 billable codes
    • 24 with HCC
  • C44

    Other and unspecified malignant neoplasm of skin

    Adenocarcinomaceruminous → C44.29-

    • 101 billable codes

Index main terms

  • Melanoma (malignant) → C43 (66 entries)
  • Carcinoma (malignant) → C44, C4A (24 entries)
  • Adenocarcinoma → C44 (2 entries)
  • Paget's disease → C44 (2 entries)
  • Cyst (colloid) (mucous) (simple) (retention) → C44 (1 entry)

Block instructions

Notes that also apply

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