D04

Non-billable

Carcinoma in situ of skin

D04 is the ICD-10-CM code for Carcinoma in situ of skin. It is a non-billable category code — use a more specific child code such as D04.0 for billing.

Status
Header (non-billable)
Chapter
C00-D49
Subcodes
10
Edition
FY2026

C00-D49 Neoplasms

Excludes1 — not coded here

  • erythroplasia of Queyrat (penis) NOS (D07.4)
  • melanoma in situ (D03.-)

Frequently asked questions

What is ICD-10 code D04?
D04 is the ICD-10-CM code for "Carcinoma in situ of skin". It falls under C00-D49 Neoplasms.
Is D04 a billable code?
No — D04 is a non-billable header code. Use a more specific child code (such as D04.0) for billing.
What are the subcodes of D04?
D04 has 10 more specific child codes, including D04.0, D04.1, D04.2.
What is excluded from D04?
Excludes1 (not coded here): erythroplasia of Queyrat (penis) NOS (D07.4); melanoma in situ (D03.-).

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

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