ICD-11 classes
21 Symptoms, signs or clinical findings, not elsewhere...
Mental or behavioural symptoms, signs or clinical findings
MB24 — Symptoms or signs involving mood or affect
MB24.5 — Depressed mood

ICD-11 MB24.5 — Depressed mood

Negative affective state characterised by low mood, sadness, emptiness, hopelessness, or dejection

The diagnosis includes nothing.

It has no clarifying diagnoses.