D04

Non-Billable
ChapterC00–D49
Rankcategory
Official Description

Carcinoma in situ of skin

Metadata & Insights
  • 2026 ICD-10-CM Edition - Effective October 1, 2025.
  • Non-billable category (requires more specific sub-code).
  • Chapter 2: Neoplasms (C00-D49).

D00-D09 Parent Instructions

Includes
  • Bowen's disease
  • erythroplasia
  • grade III intraepithelial neoplasia
  • Queyrat's erythroplasia

Instructional Notes

Excludes1(Not coded here)
  • erythroplasia of Queyrat (penis) NOS (D07.4)
  • melanoma in situ (D03.-)

Clinical Hierarchy

CH2Neoplasms (C00-D49)
D00-D09In situ neoplasms (D00-D09)
D04Carcinoma in situ of skin
D04.0Carcinoma in situ of skin of lip
D04.1Carcinoma in situ of skin of eyelid, including canthus
D04.2Carcinoma in situ of skin of ear and external auricular canal
D04.3Carcinoma in situ of skin of other and unspecified parts of face
D04.4Carcinoma in situ of skin of scalp and neck
D04.5Carcinoma in situ of skin of trunk
D04.6Carcinoma in situ of skin of upper limb, including shoulder
D04.7Carcinoma in situ of skin of lower limb, including hip
D04.8Carcinoma in situ of skin of other sites
D04.9Carcinoma in situ of skin, unspecified

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to D04:

blockD00-D09
In situ neoplasms (D00-D09)
View context instructions

Alphabetic Index Mentions

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1 raw paths

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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