ICD-10 F03.91
ICD-10 F03.91: Unspecified dementia with behavioral disturbance
Category
Organic mental disorders
Code Type
Mental health diagnosis
Using ICD-10 F03.91 on a Superbill
ICD-10 code F03.91 (Unspecified dementia with behavioral disturbance) is a organic mental 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 F03.91
Common CPT codes paired with ICD-10 F03.91 include 90837 (60-min psychotherapy), 90834 (45-min psychotherapy), and 90791 (initial psychiatric evaluation). The CPT code reflects the service rendered, not the diagnosis.