D05: Carcinoma in situ of breast
Codes under D05 (Carcinoma in situ of breast). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| D05.0 | Lobular carcinoma in situ of breast | — |
| D05.0 | Lobular carcinoma in situ of breast | — |
| D05.00 | Lobular carcinoma in situ of unspecified breast | ✓ |
| D05.00 | Lobular carcinoma in situ of unspecified breast | ✓ |
| D05.01 | Lobular carcinoma in situ of right breast | ✓ |
| D05.01 | Lobular carcinoma in situ of right breast | ✓ |
| D05.1 | Intraductal carcinoma in situ of breast | — |
| D05.1 | Intraductal carcinoma in situ of breast | — |
| D05.02 | Lobular carcinoma in situ of left breast | ✓ |
| D05.02 | Lobular carcinoma in situ of left breast | ✓ |
| D05.8 | Other specified type of carcinoma in situ of breast | — |
| D05.8 | Other specified type of carcinoma in situ of breast | — |
| D05.9 | Unspecified type of carcinoma in situ of breast | — |
| D05.9 | Unspecified type of carcinoma in situ of breast | — |
| D05.10 | Intraductal carcinoma in situ of unspecified breast | ✓ |
| D05.10 | Intraductal carcinoma in situ of unspecified breast | ✓ |
| D05.11 | Intraductal carcinoma in situ of right breast | ✓ |
| D05.11 | Intraductal carcinoma in situ of right breast | ✓ |
| D05.12 | Intraductal carcinoma in situ of left breast | ✓ |
| D05.12 | Intraductal carcinoma in situ of left breast | ✓ |
| D05.80 | Other specified type of carcinoma in situ of unspecified breast | ✓ |
| D05.80 | Other specified type of carcinoma in situ of unspecified breast | ✓ |
| D05.81 | Other specified type of carcinoma in situ of right breast | ✓ |
| D05.81 | Other specified type of carcinoma in situ of right breast | ✓ |
| D05.82 | Other specified type of carcinoma in situ of left breast | ✓ |
| D05.82 | Other specified type of carcinoma in situ of left breast | ✓ |
| D05.90 | Unspecified type of carcinoma in situ of unspecified breast | ✓ |
| D05.90 | Unspecified type of carcinoma in situ of unspecified breast | ✓ |
| D05.91 | Unspecified type of carcinoma in situ of right breast | ✓ |
| D05.91 | Unspecified type of carcinoma in situ of right breast | ✓ |
| D05.92 | Unspecified type of carcinoma in situ of left breast | ✓ |
| D05.92 | Unspecified type of carcinoma in situ of left breast | ✓ |
Frequently asked questions
What is ICD-10-CM code D05?
D05 is an ICD-10-CM category covering Carcinoma in situ of breast. It contains 32 more specific diagnosis codes, 24 of which are billable.
Is D05 a billable code?
No — D05 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 D05.0 — Lobular carcinoma in situ of breast). 24 of the 32 codes under D05 are billable.
What codes fall under D05?
D05 includes D05.0, D05.0, D05.00, D05.00, D05.01, plus 27 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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