F06 Other mental disorders due to known physiological condition

Category / Non-billable header 14 subcodes

Block: Mental disorders due to known physiological conditions (F01-F09)

Includes

  • mental disorders due to endocrine disorder
  • mental disorders due to exogenous hormone
  • mental disorders due to exogenous toxic substance
  • mental disorders due to primary cerebral disease
  • mental disorders due to somatic illness
  • mental disorders due to systemic disease affecting the brain

Excludes 1 (cannot be coded together)

  • unspecified dementia (F03.-)

Excludes 2 (not included here)

  • delirium due to known physiological condition (F05)
  • dementia as classified in F01-F02
  • other mental disorders associated with alcohol and other psychoactive substances (F10-F19)

Code First

  • the underlying physiological condition

Subcodes

Each subcode links to a detail page with full clinical annotations.

Code Description Billable
F06..0 Psychotic disorder with hallucinations due to known physiological condition Yes
F06..1 Catatonic disorder due to known physiological condition Yes
F06..2 Psychotic disorder with delusions due to known physiological condition Yes
F06..3 Mood disorder due to known physiological condition No
F06..30 Mood disorder due to known physiological condition, unspecified Yes
F06..31 Mood disorder due to known physiological condition with depressive features Yes
F06..32 Mood disorder due to known physiological condition with major depressive-like episode Yes
F06..33 Mood disorder due to known physiological condition with manic features Yes
F06..34 Mood disorder due to known physiological condition with mixed features Yes
F06..4 Anxiety disorder due to known physiological condition Yes
F06..7 Mild neurocognitive disorder due to known physiological condition No
F06..70 Mild neurocognitive disorder due to known physiological condition without behavioral disturbance Yes
F06..71 Mild neurocognitive disorder due to known physiological condition with behavioral disturbance Yes
F06..8 Other specified mental disorders due to known physiological condition Yes

Last reviewed: September 2026