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D05

Non-billable

Carcinoma in situ of breast

D05 is the ICD-10-CM code for Carcinoma in situ of breast. It is a non-billable category code — use a more specific child code such as D05.0 for billing.

Status
Header (non-billable)
Chapter
C00-D49
Subcodes
4
Edition
FY2026

C00-D49 Neoplasms

Excludes1 — not coded here

  • •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.-)

Excludes2 — not included here

  • •malignant neoplasm of breast (C50.-)

Frequently asked questions

What is ICD-10 code D05?
D05 is the ICD-10-CM code for "Carcinoma in situ of breast". It falls under C00-D49 Neoplasms.
Is D05 a billable code?
No — D05 is a non-billable header code. Use a more specific child code (such as D05.0) for billing.
What are the subcodes of D05?
D05 has 4 more specific child codes, including D05.0, D05.1, D05.8.
What is excluded from D05?
Excludes1 (not coded here): 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.-).

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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