ICD-11 classes
21 Symptoms, signs or clinical findings, not elsewhere...
Mental or behavioural symptoms, signs or clinical findings
MB22 — Symptoms or signs involving motivation or energy
MB22.0 — Avolition

ICD-11 MB22.0 — Avolition

A general lack of drive, or lack of motivation to pursue meaningful goals (e.g., as evidenced by limited participation in work, school, or socializing with others).

The diagnosis includes nothing.

The diagnosis excludes nothing.

It has no clarifying diagnoses.