How to Bill CPT 97535 in Specialty Medical Practices

When to Use CPT Code 97535

CPT 97535 is commonly billed in specialty practices for diagnostic testing, therapeutic services, or ongoing patient care.

• •Specialty use: Oncology, physical therapy, home health, podiatry, allergy, or sleep medicine
• •Service type: Diagnostic, therapeutic, or evaluation service
• •Who bills it: Specialists and qualified healthcare providers

Common scenarios:

• •Specialty treatment administration
• •Rehabilitation and therapy services
• •Home-based patient care
• •Diagnostic testing and monitoring

Insurance Verification Tips for CPT 97535

1. •Verify specialty-specific coverage rules.
2. •Confirm authorization and referral requirements.
3. •Apply appropriate modifiers when services are time-based.
4. •Ensure documentation supports medical necessity.

Example Case of CPT 97535

A provider performs a specialty service consistent with the patient’s diagnosis and care plan.
The service is documented and billed as one unit of CPT 97535.