How to Bill CPT 31231 in Specialty Medical Practices

When to Use CPT Code 31231

CPT 31231 is commonly billed in specialty practices as part of diagnostic evaluation or procedural care.

• •Specialty use: Cardiology, dermatology, orthopedics, gastroenterology, ophthalmology, or ENT
• •Service type: Diagnostic test, procedure, or specialty visit
• •Who bills it: Specialists and qualified healthcare providers

Common scenarios:

• •Specialty diagnostic testing
• •In-office or outpatient procedures
• •Disease-specific evaluation and monitoring

Insurance Verification Tips for CPT 31231

1. •Verify specialty-specific coverage rules.
2. •Confirm prior authorization requirements.
3. •Apply appropriate modifiers when components are split.
4. •Ensure documentation reflects specialty-level complexity.

Example Case of CPT 31231

A specialist performs a diagnostic or procedural service appropriate to their specialty.
The service is documented and billed as one unit of CPT 31231.