ICD-10-CM diagnosis code
D04.8 Carcinoma in situ of skin of other sites
- Billable
- Yes, a complete code (FY2026)
- Category
- D04 Carcinoma in situ of skin
- Chapter
- 2. Neoplasms
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Other codes in D04
21 complete codes in this category.
- D04.30Carcinoma in situ of skin of unspecified part of face
- D04.39Carcinoma in situ of skin of other parts of face
- D04.4Carcinoma in situ of skin of scalp and neck
- D04.5Carcinoma in situ of skin of trunk
- D04.60Carcinoma in situ of skin of unspecified upper limb, including shoulder
- D04.61Carcinoma in situ of skin of right upper limb, including shoulder
- D04.62Carcinoma in situ of skin of left upper limb, including shoulder
- D04.70Carcinoma in situ of skin of unspecified lower limb, including hip
- D04.71Carcinoma in situ of skin of right lower limb, including hip
- D04.72Carcinoma in situ of skin of left lower limb, including hip
- D04.8Carcinoma in situ of skin of other sites
- D04.9Carcinoma in situ of skin, unspecified
Documentation tips
- Make sure the note supports every element of the title, “Carcinoma in situ of skin of other sites”: each detail in it should be traceable to the history, examination or assessment.
- Code to the highest specificity the documentation supports. If a detail is missing from the note, add it to the note rather than choosing a less specific code by default.
- Check the Tabular List and official guidelines for instructional notes (“code first”, “use additional code”, Excludes1/Excludes2) that apply to D04.
The international WHO ICD-10 also has D04.8, with its inclusion and exclusion notes; titles and detail can differ from ICD-10-CM.
ICD-10-CM is developed by the National Center for Health Statistics (NCHS), Centers for Disease Control and Prevention, U.S. Department of Health and Human Services, and is based on the WHO ICD-10. Codes and titles are reproduced unchanged from the FY2026 code list (effective 1 October 2025). Their use here does not imply endorsement by CDC, HHS or the U.S. Government. Changes effective on or after 1 October 2026 may not be reflected yet; check the current release at cdc.gov or cms.gov before submitting claims.
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