Summary & Overview
CPT 99510: In-Home Counseling by Psychologist or Social Worker
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.
Billing Code Overview
CPT code 99510 describes an in-home counseling visit delivered by a licensed psychologist or licensed social worker. The service is psychosocial counseling provided directly in the patient’s residence and focuses on assessment, therapeutic intervention, and support delivered in a home setting.
Service Type: In-home mental health counseling by a psychologist or social worker
Typical Site of Service: Patient's home (home visit)
Clinical & Coding Specifications
Clinical Context
A common scenario for 99510 is a licensed clinical social worker or psychologist who performs in-home counseling for an adult homebound patient with chronic Major Depressive Disorder and limited mobility. The provider schedules and documents a home visit after a primary care physician or case manager identifies worsening mood, social isolation, and difficulty accessing outpatient psychotherapy. The visit includes a structured psychosocial assessment, brief psychotherapy (problem-solving and safety planning), coordination with the primary care clinician and family caregivers, and documentation of functional status and mental health risk. The clinician documents informed consent for home services, time on site, services rendered, barriers encountered (e.g., pets, access), and any follow-up plan or referrals. Billing uses 99510 for the home counseling visit; time-based and diagnostic detail are recorded in the medical record. Coordination with payors such as Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, BUCA, and Medicare may require preauthorization or confirmation of benefit coverage for in-home behavioral health services depending on the plan and benefit design.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
00 | No modifier/standard reporting | Use when no special circumstance modifier applies to the visit. |