C00.5
ICD-10BillableMalignant neoplasm of lip, unspecified, inner aspect
Official ICD-10-CM descriptor (FY2026)
Malignant neoplasm of lip, unspecified, inner aspect
C00.5 is valid for submission on a claim — CMS flags it as a billable, specific code.
Inclusion terms
- Malignant neoplasm of buccal aspect of lip, unspecified
- Malignant neoplasm of frenulum of lip, unspecified
- Malignant neoplasm of mucosa of lip, unspecified
- Malignant neoplasm of oral aspect of lip, unspecified
Related codes in C00
- C00.0Malignant neoplasm of external upper lip
- 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
- C00.6Malignant 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.