D04 ICD-10-CM Code: Carcinoma in situ of skin
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Official description
D04Carcinoma in situ of skin
ICD-10-CM diagnosis code · United States clinical modification
Where D04 sits
- 1
Chapter 2
Neoplasms (C00-D49)
- 2
Section
In situ neoplasms (D00-D09)
- 3
Category D04
Carcinoma in situ of skin
- 4
Code D04
Carcinoma in situ of skin
Codes under D04
D04 is a non-billable category. Choose the child code that best matches the documented diagnosis.
D04.0Carcinoma in situ of skin of lipD04.1Carcinoma in situ of skin of eyelid, including canthusD04.2Carcinoma in situ of skin of ear and external auricular canalD04.3Carcinoma in situ of skin of other and unspecified parts of faceD04.4Carcinoma in situ of skin of scalp and neckD04.5Carcinoma in situ of skin of trunkD04.6Carcinoma in situ of skin of upper limb, including shoulderD04.7Carcinoma in situ of skin of lower limb, including hipD04.8Carcinoma in situ of skin of other sitesD04.9Carcinoma in situ of skin, unspecifiedNotes for this code
Inclusion terms
No inclusion terms are listed for D04.
Code first
No “code first” instruction is listed for D04.
Use additional code
No “use additional code” instruction is listed for D04.
Excludes1
Conditions that should not be reported together with this code.
- erythroplasia of Queyrat (penis) NOS (D07.4)
- melanoma in situ (D03.-)
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for D04.
Source and release
- Data release
- U.S. ICD-10-CM · FY 2027
- Effective date
- Oct 1, 2026
- Publisher
- Vero Scribe Inc.
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Frequently asked questions
What does ICD-10-CM code D04 mean?
D04 is the FY 2027 U.S. ICD-10-CM code for “Carcinoma in situ of skin.”
Is D04 a billable or specific ICD-10-CM code?
No. D04 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.
Where is D04 located in ICD-10-CM?
D04 is listed in Chapter 2, Neoplasms (C00-D49), within In situ neoplasms (D00-D09) (D00–D09), under category D04, Carcinoma in situ of skin.
What coding notes are listed for D04?
No inclusion terms are listed for D04 in this reference record. No code-first instruction is listed. Excludes1 notes: erythroplasia of Queyrat (penis) NOS (D07.4); melanoma in situ (D03.-). No Excludes2 note is listed.