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ICD-10-CM category

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

2 subcodes · 2 billable · Look up any code with the ICD-10 search

Codes under C39 (Malignant neoplasm of other and ill-defined sites in the respiratory system and intrathoracic organs). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.

CodeDescriptionBillable
C39.0Malignant neoplasm of upper respiratory tract, part unspecified✓
C39.9Malignant neoplasm of lower respiratory tract, part unspecified✓

More free billing tools: all ICD-10 categories · ICD-10 search · denial codes · Medicare fees

Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.

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