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Rapid revision · F00-F09 block
F09 — Unspecified organic or symptomatic mental disorder
Concept, in one sentence
An organic mental disturbance that does not clearly fit any specific F00-F07 category, used only after genuinely checking each one.
Decisive boundary cues
- A clear fit with any specific F00-F07 category -> use that category instead of F09.
Duration/course cue
Unspecified by definition.
Nearest alternatives
F00, F03, F06
Common mistake
Reaching for F09 as a first-pass shortcut instead of actively checking F00-F07 first.
Retrieval prompt — one-line memory anchor
Which specific F00-F07 category have you actually ruled out, and why?
This concise view does not replace the full learning unit. Open the full F09 learning unit →