ICD-10 F29
ICD-10 F29: Unspecified psychosis not due to a substance or known physiological condition
Category
Schizophrenia spectrum
Code Type
Mental health diagnosis
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.