D04 – Carcinoma in situ of skin
ICD-10-CM 2027 diagnosis code · In situ neoplasms
ICD-10-CM code
D04
- Code
D04(claims format:D04)- Description
- Carcinoma in situ of skin
- Billable
- No – use a more specific code below
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 2. Neoplasms (C00-D49)
- Block
- D00-D09 In situ neoplasms
Billable codes under D04
D04 is a header code and cannot be used on claims. Choose the most specific code:
- D04.0 – Carcinoma in situ of skin of lipBillable
- D04.1 – Carcinoma in situ of skin of eyelid, including canthusHeader (more codes below)
- D04.2 – Carcinoma in situ of skin of ear and external auricular canalHeader (more codes below)
- D04.3 – Carcinoma in situ of skin of other and unspecified parts of faceHeader (more codes below)
- D04.4 – Carcinoma in situ of skin of scalp and neckBillable
- D04.5 – Carcinoma in situ of skin of trunkBillable
- D04.6 – Carcinoma in situ of skin of upper limb, including shoulderHeader (more codes below)
- D04.7 – Carcinoma in situ of skin of lower limb, including hipHeader (more codes below)
- D04.8 – Carcinoma in situ of skin of other sitesBillable
- D04.9 – Carcinoma in situ of skin, unspecifiedBillable
Notes for D04
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
Block D00-D09
Includes:
- Bowen's disease
- erythroplasia
- grade III intraepithelial neoplasia
- Queyrat's erythroplasia
Frequently asked questions
What is ICD-10 code D04?
D04 is the ICD-10-CM code for carcinoma in situ of skin, in the block D00-D09 (In situ neoplasms).
Is D04 a billable code?
No. D04 is a header code with more specific child codes; report one of the billable codes listed above.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.