F09
Unspecified mental disorder due to known physiological condition
Billable
Coding Guidelines
Inclusion Terms
- Mental disorder NOS due to known physiological condition
- Organic brain syndrome NOS
- Organic mental disorder NOS
- Organic psychosis NOS
- Symptomatic psychosis NOS
Excludes1 (Mutually Exclusive)
These codes should never be used together with F09
- mild neurocognitive disorder due to known physiological condition (F06.7-)
- F29 - psychosis NOS (F29)
Code First
- the underlying physiological condition
