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D02.3

Billable

Carcinoma in situ of other parts of respiratory system

This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).

What This Code Means

Abnormal cell growth in other parts of the respiratory system (such as the trachea, larynx, or nasal passages) that has not yet become invasive cancer.

Coding Tips

  • Use this code for carcinoma in situ in respiratory sites other than the bronchus and lung
  • Specify the exact anatomical location in documentation to support accurate coding

Excludes 1 — Do NOT code together

  • carcinoma in situ of ear (external) (skin) (D04.2-)
  • carcinoma in situ of nose NOS (D09.8)
  • carcinoma in situ of skin of nose (D04.3)

Code Hierarchy

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