C00.0
ICD-10BillableMalignant neoplasm of external upper lip
Official ICD-10-CM descriptor (FY2026)
Malignant neoplasm of external upper lip
C00.0 is valid for submission on a claim — CMS flags it as a billable, specific code.
Inclusion terms
- Malignant neoplasm of lipstick area of upper lip
- Malignant neoplasm of upper lip NOS
- Malignant neoplasm of vermilion border of upper lip
Related codes in C00
- C00.1Malignant neoplasm of external lower lip
- C00.2Malignant neoplasm of external lip, unspecified
- C00.3Malignant neoplasm of upper lip, inner aspect
- C00.4Malignant neoplasm of lower lip, inner aspect
- C00.5Malignant neoplasm of lip, unspecified, inner aspect
- C00.6Malignant neoplasm of commissure of lip, unspecified
- C00.8Malignant neoplasm of overlapping sites of lip
- C00.9Malignant neoplasm of lip, unspecified
Where this code sits
- Chapter
- 2. Neoplasms (C00-D49)
- Parent code
- C00
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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.