Non-Billable / Non-Specific Code
ICD-10-CM D05 is the diagnosis code for Carcinoma in situ of breast. This code falls under the section "In situ neoplasms" within Chapter 2 â Neoplasms (C00-D49). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. 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 D05. They are mutually exclusive:
The following conditions are not included in D05. If the patient has both, code each condition separately:
Understanding where D05 sits in the ICD-10-CM classification helps ensure proper coding:
No, D05 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
D05 is the ICD-10-CM diagnosis code for "Carcinoma in situ of breast". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
D05 is located in Section D00-D09 â "In situ neoplasms" within Chapter 2 of the ICD-10-CM Tabular List.
D05 has 4 sub-code(s) that provide more specific detail: D05.0, D05.1, D05.8, D05.9.
Use D05 when the patients documented diagnosis matches "Carcinoma in situ of breast" 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 breast is D05.
No, D05 is non-billable. Use a more specific sub-code for primary diagnosis billing.
D05 is in Chapter 2 of the ICD-10-CM Tabular List.
Type 1 Excludes for D05 include: carcinoma in situ of skin of breast (D04.5); melanoma in situ of breast (skin) (D03.5); Paget's disease of breast or nipple (C50.-).
Yes, D05 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.