MCMedicalCodingSoftware
D04

D04: Carcinoma in situ of skin

Non-billable headerICD-10-CM

D04 is a non-billable header ICD-10-CM code for carcinoma in situ of skin. It cannot be billed on its own: choose one of the more specific child codes below.

Excludes1: never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

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

Other codes that can never be billed with D04

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • D00.0Carcinoma in situ of lip, oral cavity and pharynx
  • D01.3Carcinoma in situ of anus and anal canal
  • D02.3Carcinoma in situ of other parts of respiratory system
  • D05Carcinoma in situ of breast
  • D09.2Carcinoma in situ of eye

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead D04

10 child codes. Green means billable.

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.