ICD-11 classes
X Extension Codes
Extension codes of particular relevance to skin diseases
Surface topography
XA1RS6 Head and neck
XA20Q1 Head
XA8182 Mouth
XA6NQ7 Oral mucosa
XA3SP9 Alveolar mucosa
XA2C94 Upper alveolar mucosa

ICD-11 XA2C94 Upper alveolar mucosa

The diagnosis has no description.

The diagnosis includes nothing.

The diagnosis excludes nothing.

It has no clarifying diagnoses.

The diagnosis is coded elsewhere: