C00.4

Lower lip, inner aspect

Coding guidance (WHO 2019)

Lower lip: buccal aspect frenulum mucosa oral aspect

Sibling codes

C00Malignant neoplasm of lip C00.0External upper lip C00.1External lower lip C00.2External lip, unspecified C00.3Upper lip, inner aspect C00.5Lip, unspecified, inner aspect C00.6Commissure of lip C00.8Overlapping lesion of lip C00.9Lip, unspecified