ICD-10 Code F48 – Other nonpsychotic mental disorders (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code F48 – Other nonpsychotic mental disorders
What it is
F48 covers nonpsychotic mental disorders that do not fit a more specific category. Use it for clinically recognized conditions involving distress or dysfunction without psychosis.
Clinical signs
Clinical features vary; refer to documentation. Commonly, these disorders involve anxiety, somatic complaints, fatigue, or impaired functioning, without delusions, hallucinations, or other psychotic features.
When to use this code
Use F48 when the record identifies a nonpsychotic mental disorder and the provider does not document a more specific ICD-10-CM diagnosis. It may apply when symptoms are persistent, clinically significant, and not better classified elsewhere. Check documentation for the exact disorder name and any excluded conditions.
Do not use for
Do not use this code for psychotic disorders, mood disorders, or anxiety disorders with a more specific code. Also avoid it when the chart supports a defined diagnosis elsewhere in ICD-10-CM.
Coding tip
Query for the specific mental disorder if the note only says “nonpsychotic” or is nonspecific.