ICD-10-CM D01.0 is the diagnosis code for Carcinoma in situ of colon. This code falls under the section "In situ neoplasms" within Chapter 2 — Neoplasms (C00-D49). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
The following conditions should never be coded at the same time as D01.0. They are mutually exclusive:
Understanding where D01.0 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, D01.0 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
D01.0 is the ICD-10-CM diagnosis code for "Carcinoma in situ of colon". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of D01.0 is D01 ("Carcinoma in situ of other and unspecified digestive organs"). D01.0 provides a more specific classification within this category.
D01.0 is located in Section D00-D09 — "In situ neoplasms" within Chapter 2 of the ICD-10-CM Tabular List.
Use D01.0 when the patients documented diagnosis matches "Carcinoma in situ of colon" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Carcinoma in situ of colon is D01.0.
Yes, D01.0 can be used as a primary diagnosis code since it is billable and specific.
D01.0 is in Chapter 2 of the ICD-10-CM Tabular List.
Type 1 Excludes for D01.0 include: carcinoma in situ of rectosigmoid junction (D01.1).
Yes, D01.0 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.