ICD-11 classes
X Extension Codes
Extension codes of particular relevance to skin diseases
Surface topography
XA1RS6 Head and neck
XA20Q1 Head
XA8182 Mouth
XA6CZ2 Teeth
XA1PT3 Parts of tooth
XA2CA1 Periapical tissue

ICD-11 XA2CA1 Periapical tissue

The diagnosis has no description.

The diagnosis includes nothing.

The diagnosis excludes nothing.

It has no clarifying diagnoses.

The diagnosis is coded elsewhere: