ICD-10 F29: Unspecified psychosis not due to a substance or known physiological condition
Using ICD-10 F29 on a Superbill
ICD-10 code F29 (Unspecified psychosis not due to a substance or known physiological condition) is a schizophrenia spectrum code used on superbills for mental health therapy billing. Insurance companies require at least one ICD-10 code per superbill to process a reimbursement claim.
CPT Codes Commonly Used With F29
Common CPT codes paired with ICD-10 F29 include 90837 (60-min psychotherapy), 90834 (45-min psychotherapy), and 90791 (initial psychiatric evaluation). The CPT code reflects the service rendered, not the diagnosis.
Clinical Criteria
Clinically significant psychotic symptoms causing distress or impairment where the clinician does not specify the reason for not meeting full criteria for a named psychotic disorder. Not attributable to substances or medical conditions.
DSM-5 Cross-Reference
DSM-5 298.9 — Unspecified Schizophrenia Spectrum and Other Psychotic Disorder