C43.0
ICD-10BillableMalignant melanoma of lip
Official ICD-10-CM descriptor (FY2026)
Malignant melanoma of lip
C43.0 is valid for submission on a claim — CMS flags it as a billable, specific code.
Excludes1
Not coded here. An Excludes1 code should never be reported at the same time as the code above it.
- malignant neoplasm of vermilion border of lip (C00.0-C00.2)
Related codes in C43
- C43.1Malignant melanoma of eyelid, including canthuscategory
- C43.2Malignant melanoma of ear and external auricular canalcategory
- C43.3Malignant melanoma of other and unspecified parts of facecategory
- C43.4Malignant melanoma of scalp and neck
- C43.5Malignant melanoma of trunkcategory
- C43.6Malignant melanoma of upper limb, including shouldercategory
- C43.7Malignant melanoma of lower limb, including hipcategory
- C43.8Malignant melanoma of overlapping sites of skin
- C43.9Malignant melanoma of skin, unspecified
Where this code sits
- Chapter
- 2. Neoplasms (C00-D49)
- Parent code
- C43
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.