What is the ICD-10 code for ductal carcinoma in situ of the breast?

The ICD-10 code for ductal carcinoma in situ of the breast is D05.1, used when DCIS is confirmed by biopsy without invasive components.

When should Z85.3 be used for breast cancer?

Z85.3 is used for patients with a history of breast cancer after complete excision of DCIS, with no residual disease.

ICD-10 Coding for Ductal Carcinoma In Situ (DCIS) of the Breast(D05.1, D05.12, Z85.3)

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Learn about ICD-10 coding for ductal carcinoma in situ (DCIS) of the breast, including primary and ancillary codes, documentation requirements, and common coding pitfalls.

Also known as:

Intraductal carcinomaNon-invasive breast cancer

Related ICD-10 Code Ranges

Complete code families applicable to Ductal Carcinoma In Situ (DCIS) of the Breast

C00-D49Primary Range

Neoplasms

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Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

Code	Description	When to Use	Key Documentation
D05.1	Intraductal carcinoma in situ	Use when DCIS is confirmed by biopsy without invasive components.	Biopsy confirmation of DCIS Nuclear grade and margin status
Z85.3	Personal history of malignant neoplasm of breast	Use for patients with a history of DCIS after complete excision.	Documentation of complete excision of DCIS No residual disease on follow-up

Primary ICD-10-CM Codes

Intraductal carcinoma in situ of breast

D05.1

Differential Codes

Alternative codes to consider when ruling out similar conditions

Malignant neoplasm of breastC50

Intraductal carcinoma in situD05.1

Documentation & Coding Risks

Avoid these common issues when documenting Ductal Carcinoma In Situ (DCIS) of the Breast.

Using Z85.3 during active treatment

Impact

Clinical: Misrepresentation of patient's current treatment status., Regulatory: Potential audit issues due to incorrect coding., Financial: Inaccurate billing and potential claim denials.

Mitigation

Verify treatment status before coding, Review pathology reports for residual disease

Coding suspected DCIS as confirmed

Impact

Reimbursement: Incorrect reimbursement due to inappropriate code usage., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate clinical data affecting patient records.

Mitigation

Use symptom codes until biopsy confirms DCIS.

Mismatch between imaging and pathology

Impact

Discrepancies between imaging findings and pathology reports can trigger audits.

Mitigation

Ensure all findings are reconciled and documented accurately.

Frequently Asked Questions

Primary Code

D05.1

Intraductal carcinoma in situ of breast

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