D02: Carcinoma in situ of middle ear and respiratory system
Codes under D02 (Carcinoma in situ of middle ear and respiratory system). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| D02.0 | Carcinoma in situ of larynx | ✓ |
| D02.0 | Carcinoma in situ of larynx | ✓ |
| D02.1 | Carcinoma in situ of trachea | ✓ |
| D02.1 | Carcinoma in situ of trachea | ✓ |
| D02.2 | Carcinoma in situ of bronchus and lung | — |
| D02.2 | Carcinoma in situ of bronchus and lung | — |
| D02.3 | Carcinoma in situ of other parts of respiratory system | ✓ |
| D02.3 | Carcinoma in situ of other parts of respiratory system | ✓ |
| D02.4 | Carcinoma in situ of respiratory system, unspecified | ✓ |
| D02.4 | Carcinoma in situ of respiratory system, unspecified | ✓ |
| D02.20 | Carcinoma in situ of unspecified bronchus and lung | ✓ |
| D02.20 | Carcinoma in situ of unspecified bronchus and lung | ✓ |
| D02.21 | Carcinoma in situ of right bronchus and lung | ✓ |
| D02.21 | Carcinoma in situ of right bronchus and lung | ✓ |
| D02.22 | Carcinoma in situ of left bronchus and lung | ✓ |
| D02.22 | Carcinoma in situ of left bronchus and lung | ✓ |
Frequently asked questions
What is ICD-10-CM code D02?
D02 is an ICD-10-CM category covering Carcinoma in situ of middle ear and respiratory system. It contains 16 more specific diagnosis codes, 14 of which are billable.
Is D02 a billable code?
No — D02 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example D02.0 — Carcinoma in situ of larynx). 14 of the 16 codes under D02 are billable.
What codes fall under D02?
D02 includes D02.0, D02.0, D02.1, D02.1, D02.2, plus 11 more. See the full list with descriptions and billable status above.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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