D01: Carcinoma in situ of other and unspecified digestive organs
Codes under D01 (Carcinoma in situ of other and unspecified digestive organs). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| D01.0 | Carcinoma in situ of colon | ✓ |
| D01.0 | Carcinoma in situ of colon | ✓ |
| D01.1 | Carcinoma in situ of rectosigmoid junction | ✓ |
| D01.1 | Carcinoma in situ of rectosigmoid junction | ✓ |
| D01.2 | Carcinoma in situ of rectum | ✓ |
| D01.2 | Carcinoma in situ of rectum | ✓ |
| D01.3 | Carcinoma in situ of anus and anal canal | ✓ |
| D01.3 | Carcinoma in situ of anus and anal canal | ✓ |
| D01.4 | Carcinoma in situ of other and unspecified parts of intestine | — |
| D01.4 | Carcinoma in situ of other and unspecified parts of intestine | — |
| D01.5 | Carcinoma in situ of liver, gallbladder and bile ducts | ✓ |
| D01.5 | Carcinoma in situ of liver, gallbladder and bile ducts | ✓ |
| D01.7 | Carcinoma in situ of other specified digestive organs | ✓ |
| D01.7 | Carcinoma in situ of other specified digestive organs | ✓ |
| D01.9 | Carcinoma in situ of digestive organ, unspecified | ✓ |
| D01.9 | Carcinoma in situ of digestive organ, unspecified | ✓ |
| D01.40 | Carcinoma in situ of unspecified part of intestine | ✓ |
| D01.40 | Carcinoma in situ of unspecified part of intestine | ✓ |
| D01.49 | Carcinoma in situ of other parts of intestine | ✓ |
| D01.49 | Carcinoma in situ of other parts of intestine | ✓ |
Frequently asked questions
What is ICD-10-CM code D01?
D01 is an ICD-10-CM category covering Carcinoma in situ of other and unspecified digestive organs. It contains 20 more specific diagnosis codes, 18 of which are billable.
Is D01 a billable code?
No — D01 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 D01.0 — Carcinoma in situ of colon). 18 of the 20 codes under D01 are billable.
What codes fall under D01?
D01 includes D01.0, D01.0, D01.1, D01.1, D01.2, plus 15 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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