F06.2 Psychotic disorder with delusions due to known physiological condition

Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis.

Applicable to

• Paranoid and paranoid-hallucinatory organic states
• Schizophrenia-like psychosis in epilepsy

Excludes2 (not included here)

• alcohol and drug-induced psychotic disorder (F10-F19 with .150, .250, .950)
• brief psychotic disorder (F23)
• delusional disorder (F22)
• schizophrenia (F20.-)

Applies from F06 Other mental disorders due to known physiological condition

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

Excludes1 (never code together)

• unspecified dementia (F03.-)

Excludes2 (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

MS-DRG index

Defines the logic of DRG(s) 884 in MDC 19.

Approximate ICD-9-CM (GEMs)

• 293.81 Psychotic disorder with delusions in conditions classified elsewhere

Code annotations containing back-references to F06.2

Back-references to F06.2

• Type 2 Excludes: F20 Schizophrenia ("brain disease (F06.2)")
• Type 2 Excludes: F20 Schizophrenia ("epilepsy (F06.2)")

Back-references to F06

• Type 2 Excludes: F63.1 Pyromania ("mental disorders due to known physiological condition (F01-F09)")
• Type 2 Excludes: F63.2 Kleptomania ("stealing in mental disorders due to known physiological condition (F01-F09)")

Diagnosis Index entries for F06.2

• Disorder (of) › organic › delusional
• Disorder (of) › organic › schizophrenia-like
• Psychosis, psychotic › schizophrenia-like, in epilepsy
• State (of) › organic › paranoid (-hallucinatory)
• State (of) › paranoid › organic

Nearby codes

• F06 Other mental disorders due to known physiological condition
• F06.0 Psychotic disorder with hallucinations due to known physiological condition
• F06.1 Catatonic disorder due to known physiological condition
• F06.2 Psychotic disorder with delusions due to known physiological condition (this code)
• F06.3 Mood disorder due to known physiological condition
• F06.30 Mood disorder due to known physiological condition, unspecified
• F06.31 Mood disorder due to known physiological condition with depressive features
• F06.32 Mood disorder due to known physiological condition with major depressive-like episode
• F06.33 Mood disorder due to known physiological condition with manic features