D01.3: Carcinoma in situ of anus and anal canal
D01.3 is the billable ICD-10-CM diagnosis code for Carcinoma in situ of anus and anal canal. It is a fully specified code, so it can be reported on a claim (subject to clinical documentation and your payer's rules).
Frequently asked questions
What is ICD-10-CM code D01.3?
D01.3 is the ICD-10-CM diagnosis code for Carcinoma in situ of anus and anal canal. It belongs to category D01 (Carcinoma in situ of other and unspecified digestive organs).
Is D01.3 a billable code?
Yes. D01.3 is a billable, fully specified ICD-10-CM code, so it can be used on a claim (subject to documentation and payer rules).
What category does D01.3 belong to?
D01.3 is part of ICD-10-CM category D01 — Carcinoma in situ of other and unspecified digestive organs, which has 18 billable codes.
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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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