DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Block · Chapter 2

C76-C80 Malignant neoplasms of ill-defined, other secondary and unspecified sites (C76-C80)

Block C76-C80 groups 5 categories with 62 billable codes in FY2027. 3 codes are new this year.

Where it sits

  1. Chapter 2 Neoplasms (C00-D49)
  2. C76-C80 Malignant neoplasms of ill-defined, other secondary and unspecified sites (C76-C80)

Neighbouring blocks

Categories
5
Billable codes
62
CC codes
50
MCC codes
0
HCC V28 codes
59
New FY2027
3

Categories in C76-C80

  • C76

    Malignant neoplasm of other and ill-defined sites

    –

    • 11 billable codes
    • 11 with HCC
  • C77

    Secondary and unspecified malignant neoplasm of lymph nodes

    –

    • 8 billable codes
    • 8 CC
    • 8 with HCC
  • C78

    Secondary malignant neoplasm of respiratory and digestive organs

    Pseudomyxoma peritonei → C78.6

    • 15 billable codes
    • 15 CC
    • 13 with HCC
    • 2 new
  • C79

    Secondary malignant neoplasm of other and unspecified sites

    Krukenberg'stumor → C79.6-

    • 25 billable codes
    • 25 CC
    • 24 with HCC
    • 1 new
  • C80

    Malignant neoplasm without specification of site

    Carcinomatosis → C80.0

    • 3 billable codes
    • 2 CC
    • 3 with HCC

FY2027 changes in C76-C80

  • C78.31 Secondary malignant neoplasm of larynx New FY2027
  • C78.32 Secondary malignant neoplasm of pharynx New FY2027
  • C79.83 Secondary malignant neoplasm of oral cavity New FY2027

Index main terms

  • Tumor → C79, C80 (8 entries)
  • Carcinomatosis → C78, C80 (3 entries)
  • Melanoma (malignant) → C79 (3 entries)
  • Carcinoma (malignant) → C80 (2 entries)
  • Cancer → C80 (1 entry)
  • Complication(s) (from) (of) → C80 (1 entry)
  • Disease, diseased → C79 (1 entry)
  • Krukenberg's → C79 (1 entry)
  • Malignancy → C80 (1 entry)
  • Metastasis, metastatic → C79 (1 entry)
  • Pseudomyxoma peritonei → C78 (1 entry)
  • Sarcomatosis → C80 (1 entry)

Block instructions

Notes that also apply

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