ICD-10 F15.21
ICD-10 F15.21: Other stimulant use disorder, severe
Category
Substance use disorders
Code Type
Mental health diagnosis
Using ICD-10 F15.21 on a Superbill
ICD-10 code F15.21 (Other stimulant use disorder, severe) is a substance use 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 F15.21
Common CPT codes paired with ICD-10 F15.21 include 90837 (60-min psychotherapy), 90834 (45-min psychotherapy), and 90791 (initial psychiatric evaluation). The CPT code reflects the service rendered, not the diagnosis.