DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Block · Chapter 2

C45-C49 Malignant neoplasms of mesothelial and soft tissue (C45-C49)

Block C45-C49 groups 5 categories with 52 billable codes in FY2027.

Where it sits

  1. Chapter 2 Neoplasms (C00-D49)
  2. C45-C49 Malignant neoplasms of mesothelial and soft tissue (C45-C49)

Neighbouring blocks

Categories
5
Billable codes
52
CC codes
50
MCC codes
0
HCC V28 codes
52
New FY2027
0

Categories in C45-C49

  • C45

    Mesothelioma

    Mesothelioma (malignant) → C45.9

    • 5 billable codes
    • 3 CC
    • 5 with HCC
  • C46

    Kaposi's sarcoma

    Kaposi'ssarcomalung → C46.5-

    • 10 billable codes
    • 10 CC
    • 10 with HCC
  • C47

    Malignant neoplasm of peripheral nerves and autonomic nervous system

    –

    • 13 billable codes
    • 13 CC
    • 13 with HCC
  • C48

    Malignant neoplasm of retroperitoneum and peritoneum

    –

    • 4 billable codes
    • 4 CC
    • 4 with HCC
  • C49

    Malignant neoplasm of other connective and soft tissue

    Tumorstromalstomach → C49.A2

    • 20 billable codes
    • 20 CC
    • 20 with HCC

Index main terms

  • Tumor → C49 (26 entries)
  • Mesothelioma (malignant) → C45 (17 entries)
  • Kaposi's → C46 (11 entries)
  • Sarcoma (of) → C46 (11 entries)

Block instructions

Notes that also apply

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