D03Header code — not billable
Melanoma in situ
- Chapter
- 2. Neoplasms
- Category
- D03
- Effective date
- October 1, 2026
Related codes in category D03
D03.0Melanoma in situ of lipYesD03.1Melanoma in situ of eyelid, including canthusD03.10Melanoma in situ of unspecified eyelid, including canthusYesD03.11Melanoma in situ of right eyelid, including canthusD03.111Melanoma in situ of right upper eyelid, including canthusYesD03.112Melanoma in situ of right lower eyelid, including canthusYesD03.12Melanoma in situ of left eyelid, including canthusD03.121Melanoma in situ of left upper eyelid, including canthusYesD03.122Melanoma in situ of left lower eyelid, including canthusYesD03.2Melanoma in situ of ear and external auricular canalD03.20Melanoma in situ of unsp ear and external auricular canalYesD03.21Melanoma in situ of right ear and external auricular canalYes
Frequently asked questions
What is ICD-10 code D03?
D03 is an ICD-10-CM diagnosis code for Melanoma in situ.
Is D03 a billable code?
No. D03 is a category/header code, not billable on its own — use one of its more specific child codes instead.
What ICD-10-CM chapter is D03 in?
D03 falls under Chapter 2: Neoplasms.
When did D03 become effective?
D03 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to D03?
D03 belongs to category D03, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.