DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

C39 Malignant neoplasm of other and ill-defined sites in the respiratory system and intrathoracic organs

  • Header · not billable

C39 is not billable. The category heads 2 billable codes in FY2027: the 2 codes directly below it.

Where it sits

  1. Chapter 2 Neoplasms (C00-D49)
  2. C30-C39 Malignant neoplasms of respiratory and intrathoracic organs (C30-C39)
  3. C39 Malignant neoplasm of other and ill-defined sites in the respiratory system and intrathoracic organs
Billable codes
2
Subdivisions
2
CC / MCC codes
0 / 0
HCC V28 codes
2
New FY2027
0
Index entries
0

Codes in C39

  1. C39.0
    Malignant neoplasm of upper respiratory tract, part unspecified
    Billable21
  2. C39.9
    Malignant neoplasm of lower respiratory tract, part unspecified
    Billable21
    Inclusion terms 1

    Inclusion terms

    • Malignant neoplasm of respiratory tract NOS

Sources of each column.

Instructions

At C39

Excludes1

  • intrathoracic malignant neoplasm NOS (C76.1) C76.1
  • thoracic malignant neoplasm NOS (C76.1) C76.1

Use additional code

  • code to identify:
  • exposure to environmental tobacco smoke (Z77.22) Z77.22
  • exposure to tobacco smoke in the perinatal period (P96.81) P96.81
  • history of tobacco dependence (Z87.891) Z87.891
  • occupational exposure to environmental tobacco smoke (Z57.31) Z57.31
  • tobacco dependence (F17.-) F17
  • tobacco use (Z72.0) Z72.0

Notes that also apply

Block C30-C39 instructions (Includes 1, Excludes1 1): printed on the block page.

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

Hierarchy