ICD-10 F45.1
ICD-10 F45.1: Undifferentiated somatoform disorder
Category
Somatic disorders
Code Type
Mental health diagnosis
Using ICD-10 F45.1 on a Superbill
ICD-10 code F45.1 (Undifferentiated somatoform disorder) is a somatic disorders 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 F45.1
Common CPT codes paired with ICD-10 F45.1 include 90837 (60-min psychotherapy), 90834 (45-min psychotherapy), and 90791 (initial psychiatric evaluation). The CPT code reflects the service rendered, not the diagnosis.