ICD-10 F40.22
ICD-10 F40.22: Natural environment type phobia
Category
Anxiety disorders
Code Type
Mental health diagnosis
Using ICD-10 F40.22 on a Superbill
ICD-10 code F40.22 (Natural environment type phobia) is a anxiety 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 F40.22
Common CPT codes paired with ICD-10 F40.22 include 90837 (60-min psychotherapy), 90834 (45-min psychotherapy), and 90791 (initial psychiatric evaluation). The CPT code reflects the service rendered, not the diagnosis.