DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Block · Chapter 2

C30-C39 Malignant neoplasms of respiratory and intrathoracic organs (C30-C39)

Block C30-C39 groups 8 categories with 40 billable codes in FY2027.

Where it sits

  1. Chapter 2 Neoplasms (C00-D49)
  2. C30-C39 Malignant neoplasms of respiratory and intrathoracic organs (C30-C39)

Neighbouring blocks

Categories
8
Billable codes
40
CC codes
24
MCC codes
0
HCC V28 codes
40
New FY2027
0

Categories in C30-C39

  • C30

    Malignant neoplasm of nasal cavity and middle ear

    Esthesioneurocytoma → C30.0

    • 2 billable codes
    • 2 with HCC
  • C31

    Malignant neoplasm of accessory sinuses

    –

    • 6 billable codes
    • 6 with HCC
  • C32

    Malignant neoplasm of larynx

    –

    • 6 billable codes
    • 6 with HCC
  • C33

    Malignant neoplasm of trachea

    –

    • Billable, no subdivisions
    • 1 CC
    • 1 with HCC
  • C34

    Malignant neoplasm of bronchus and lung

    Pancoast's syndrome or tumor → C34.1-

    • 16 billable codes
    • 16 CC
    • 16 with HCC
  • C37

    Malignant neoplasm of thymus

    Thymomatype A → C37

    • Billable, no subdivisions
    • 1 CC
    • 1 with HCC
  • C38

    Malignant neoplasm of heart, mediastinum and pleura

    –

    • 6 billable codes
    • 6 CC
    • 6 with HCC
  • C39

    Malignant neoplasm of other and ill-defined sites in the respiratory system and intrathoracic organs

    –

    • 2 billable codes
    • 2 with HCC

Index main terms

  • Thymoma → C37 (8 entries)
  • Carcinoma (malignant) → C30, C34, C37 (7 entries)
  • Cancer → C34 (1 entry)
  • Esthesioneuroblastoma → C30 (1 entry)
  • Esthesioneurocytoma → C30 (1 entry)
  • Esthesioneuroepithelioma → C30 (1 entry)
  • Neuroblastoma → C30 (1 entry)
  • Neuroepithelioma → C30 (1 entry)
  • Pancoast's syndrome or tumor → C34 (1 entry)
  • Schneiderian → C30 (1 entry)
  • Tumor → C30 (1 entry)

Block instructions

Includes

  • malignant neoplasm of middle ear

Excludes1

  • mesothelioma (C45.-) C45

Notes that also apply

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