**F32 — Depressive episode** describes a single major depressive episode lasting ≥2 weeks with characteristic symptoms (persistent low mood, anhedonia, sleep/appetite change, fatigue, cognitive symptoms).
Severity sub-codes: F32.0 (mild), F32.1 (moderate), F32.2 (severe without psychotic features), F32.3 (severe with psychotic features). Recurrent episodes are coded F33.x.
Belongs to **Chapter F** — Mental and behavioural disorders (F00-F99).
