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F09 Unspecified mental disorder due to known physiological condition
CategoryCODABLE
F09
Unspecified mental disorder due to known physiological condition
EXAMPLES
Mental disorder NOS due to known physiological condition
Organic brain syndrome NOS
Organic mental disorder NOS
Organic psychosis NOS
Symptomatic psychosis NOS
Organic brain syndrome NOS
Organic mental disorder NOS
Organic psychosis NOS
Symptomatic psychosis NOS
EXCLUDES
Excludes1: mild neurocognitive disorder due to known physiological condition (F06.7-)
psychosis NOS (F29)
psychosis NOS (F29)
CODING RULE
Code first: the underlying physiological condition
- Chapter
- V · Mental, Behavioral and Neurodevelopmental disorders
- Section
- F01-F09
- Valid from
Source
CMS ICD-10-CM Tabular List, edition FY2026.