D01.0
Billable codeCarcinoma in situ of colon
The ICD-10 code for carcinoma in situ of colon is D01.0.
Clinical notes
Excludes1 (not coded here)
An Excludes1 note is a pure exclusion: the excluded condition and this code should never be reported together, because the two conditions cannot occur at the same time (e.g. a congenital form vs. an acquired form of the same disease).
- carcinoma in situ of rectosigmoid junction (D01.1)
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •Confirm the excluded condition(s) listed above are not also present — Excludes1 conditions cannot be coded together with this one.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- D01.1Carcinoma in situ of rectosigmoid junction
- D01.2Carcinoma in situ of rectum
- D01.3Carcinoma in situ of anus and anal canal
- D01.4Carcinoma in situ of other and unspecified parts of intestinenon-billable header
- D01.5Carcinoma in situ of liver, gallbladder and bile ducts
- D01.7Carcinoma in situ of other specified digestive organs
- D01.9Carcinoma in situ of digestive organ, unspecified
- D01.0Carcinoma in situ of colon
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 2303
Associated MS-DRGs
D01.0 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.