Modifier XP- Separate practitioner

Modifier XP is used when a service is performed by a different practitioner.

What is Modifier XP?

Modifier XP tells insurance payers that procedures or services were performed by separate healthcare providers.

When to Use Modifier XP

• Different practitioners provide services
• Services are independent and distinct
• Documentation supports separate providers
• Procedures would otherwise be bundled

Billing Example

A surgeon performs a procedure while another specialist performs a separate service during the same encounter. Modifier XP may be appended to indicate separate practitioners.

Documentation Tips

• Clearly identify each provider involved
• Separate provider documentation when possible
• Include distinct service details
• Support medical necessity

Common Denial Reasons

• Providers not clearly documented
• Services considered bundled
• Insufficient medical necessity
• Incorrect modifier usage

Related Modifiers

Modifier XE

Modifier XS

Modifier 59