F06.1 Catatonic disorder due to known physiological condition

Billable ICD-10-CM code, FY2026.

Applicable to

• Catatonia associated with another mental disorder
• Catatonia NOS

Excludes1 (never code together)

• catatonic stupor (R40.1)
• stupor NOS (R40.1)

Excludes2 (not included here)

• catatonic schizophrenia (F20.2)
• dissociative stupor (F44.2)

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)

• 293.89 Other specified transient mental disorders due to conditions classified elsewhere, other (approximate)
• 294.8 Other persistent mental disorders due to conditions classified elsewhere (approximate)

Code annotations containing back-references to F06.1

Back-references to F06.1

• Type 2 Excludes: F44.2 Dissociative stupor ("catatonic disorder due to known physiological condition (F06.1)")

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 F06.1

• Catatonic › disorder due to known physiologic condition
• Disorder (of) › catatonia (due to known physiological condition) (with another mental disorder)
• Disorder (of) › catatonic NOS
• Disorder (of) › catatonic NOS › due to (secondary to) known physiological condition
• Disorder (of) › catatonic NOS › organic NOS
• Disorder (of) › organic › catatonic NOS

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 (this code)
• F06.2 Psychotic disorder with delusions due to known physiological condition
• 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