CPT code 99510 represents an in-home counseling visit by a licensed psychologist or licensed social worker, a service that supports access to mental health care for patients unable or unlikely to attend office-based appointments. Nationally, home-based behavioral health services play a role in addressing barriers to care for older adults, patients with mobility limitations, and those with severe mental illness. Coverage and payment for this service affect provider willingness to deliver home visits and patients’ ability to receive needed psychosocial interventions.

Key payers commonly considered in coverage and reimbursement reviews are Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. This publication summarizes what CPT code 99510 denotes, the clinical context for its use in home-based mental health care, and the typical settings in which it applies.

Readers will learn the clinical intent and typical site of service for CPT code 99510, relevant payer coverage patterns (Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, Medicare), and where to look for policy or billing guidance. Data not available in the input includes specific coverage rules, fee schedules, associated taxonomies, common ICD-10 pairings, and utilization benchmarks.