D03 – Melanoma in situ
ICD-10-CM 2027 diagnosis code · In situ neoplasms
ICD-10-CM code
D03
- Code
D03(claims format:D03)- Description
- Melanoma in situ
- 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 D03
D03 is a header code and cannot be used on claims. Choose the most specific code:
- D03.0 – Melanoma in situ of lipBillable
- D03.1 – Melanoma in situ of eyelid, including canthusHeader (more codes below)
- D03.2 – Melanoma in situ of ear and external auricular canalHeader (more codes below)
- D03.3 – Melanoma in situ of other and unspecified parts of faceHeader (more codes below)
- D03.4 – Melanoma in situ of scalp and neckBillable
- D03.5 – Melanoma in situ of trunkHeader (more codes below)
- D03.6 – Melanoma in situ of upper limb, including shoulderHeader (more codes below)
- D03.7 – Melanoma in situ of lower limb, including hipHeader (more codes below)
- D03.8 – Melanoma in situ of other sitesBillable
- D03.9 – Melanoma in situ, unspecifiedBillable
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 D03?
D03 is the ICD-10-CM code for melanoma in situ, in the block D00-D09 (In situ neoplasms).
Is D03 a billable code?
No. D03 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.