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F09 Unspecified mental disorder due to known physiological condition

Billable/Specific

Applicable To

  • Mental disorder NOS due to known physiological condition
  • Organic brain syndrome NOS
  • Organic mental disorder NOS
  • Organic psychosis NOS
  • Symptomatic psychosis NOS

Code First

  • the underlying physiological condition

Type 1 Excludes

  • mild neurocognitive disorder due to known physiological condition (F06.7-)
  • psychosis NOS (F29)