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2026 ICD-10-CM · Mental health

Mental health ICD-10 codes.

Browse 2026 ICD-10-CM F-codes for therapy and behavioral-health billing. Eleven categories, structured by severity and presentation — built for accurate documentation, treatment planning, and clean claim submission.

11

F-categories

72

Parent codes

758+

Leaf codes

All F-categories

Browse by category

F01-F09

Mental disorders due to known physiological conditions

Cognitive impairment and behavioral disorders attributable to organic, physical, or substance-related causes.

8 parent codesBrowse

F10-F19

Mental and behavioral disorders due to psychoactive substance use

Alcohol-, opioid-, cannabis-, sedative-, stimulant-, hallucinogen-, and other substance-related disorders.

10 parent codesBrowse

F20-F29

Schizophrenia, schizotypal, delusional, and other non-mood psychotic disorders

Schizophrenia spectrum and other primary psychotic disorders.

8 parent codesBrowse

F30-F39

Mood [affective] disorders

Manic episodes, bipolar disorder, depressive episodes, recurrent depression, and persistent mood disorders.

6 parent codesBrowse

F40-F49

Anxiety, dissociative, stress-related, somatoform and other nonpsychotic mental disorders

Phobias, panic, GAD, OCD, PTSD, acute stress, adjustment, dissociative, and somatoform disorders.

7 parent codesBrowse

F50-F59

Behavioral syndromes associated with physiological disturbances and physical factors

Eating disorders, non-organic sleep disorders, sexual dysfunction not due to organic causes, postpartum disorders.

7 parent codesBrowse

F60-F69

Disorders of adult personality and behavior

Personality disorders, impulse-control disorders, gender identity-related conditions, and habit disorders.

7 parent codesBrowse

F70-F79

Intellectual disabilities

Mild, moderate, severe, and profound intellectual disability classifications.

6 parent codesBrowse

F80-F89

Pervasive and specific developmental disorders

Autism spectrum, speech and language disorders, specific learning disorders, motor function disorders.

6 parent codesBrowse

F90-F98

Behavioral and emotional disorders with onset usually occurring in childhood and adolescence

ADHD, conduct disorder, ODD, attachment disorders, tic disorders, enuresis, and other childhood-onset conditions.

6 parent codesBrowse

F99

Unspecified mental disorder

Catch-all for mental disorder not otherwise classified.

1 parent codesBrowse

This reference is provided for billing and documentation guidance only. It is not medical advice. For clinical decision-making, consult the current CMS ICD-10-CM Official Guidelines for Coding and Reporting, and verify code applicability against the patient's documented clinical findings.

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