Modifier 26- Professional Component

Modifier 26 is used when only the professional component of a service is being billed.

What Is Modifier 26?

Modifier 26 is used to report the professional component of certain procedures that contain both professional and technical components.

Many diagnostic services—particularly radiology, pathology, and other diagnostic tests—include two distinct portions. The professional component generally represents the physician's interpretation and report or other qualifying professional work, while the technical component represents items such as equipment, supplies, technicians, and facility resources.

When the professional and technical components are furnished and billed separately, the physician or other eligible practitioner reports the applicable procedure code with Modifier 26 for the professional component.

The technical component may be reported separately with Modifier TC when appropriate. When the same billing entity appropriately furnishes both components, the service may instead be reported globally without Modifier 26 or TC.

When to Use Modifier 26

Professional Component Only: The provider is billing only the professional portion of a service that has separately reportable professional and technical components.

Diagnostic Interpretation: A physician performs the qualifying interpretation and prepares the required report but does not bill for the technical resources used to perform the test.

Separate Technical Provider: Another provider, facility, or entity furnishes and bills the technical component.

Hospital or Facility Setting: A physician interprets a diagnostic study performed using equipment and personnel supplied by a hospital or other facility.

Procedure Allows Component Billing: The applicable code has a professional/technical component distinction under the payer's payment rules.

When NOT to Use Modifier 26

Global Service Is Billed: Do not append Modifier 26 when the billing provider appropriately furnishes and bills both the professional and technical components as a global service.

Technical Component Only: Modifier TC, rather than Modifier 26, identifies the separately billed technical component.

Code Is Professional Only: Modifier 26 is unnecessary when the procedure code already represents only the physician or professional service.

Code Cannot Be Split: Not every CPT or HCPCS code has separately billable professional and technical components.

No Professional Service Performed: Do not report Modifier 26 when the billing provider did not perform the professional work required by the code.

Billing Example

A hospital performs a diagnostic imaging study using its equipment and radiology personnel.

A radiologist separately reviews the images, performs the professional interpretation, and completes the required report.

The hospital bills the technical portion of the service according to the applicable facility billing rules. The radiologist reports the appropriate imaging procedure code with Modifier 26 to identify the separately billed professional component.

The radiologist should not bill the global service because the radiologist did not furnish the technical component.

Documentation Requirements

Interpretation: Documentation should support the physician's professional interpretation of the diagnostic study.

Written Report: Maintain a complete report when a written interpretation is required for the service.

Provider Identity: The record should identify the physician or other eligible practitioner who performed the professional component.

Medical Necessity: Documentation should support the medical necessity of the underlying diagnostic or therapeutic service.

Date of Service: Report the service according to applicable payer rules governing the professional component.

Procedure Requirements: Documentation must satisfy the specific requirements associated with the CPT or HCPCS code being billed.

Billing and Claim Considerations

Modifier 26 affects which portion of a service is being reported and paid. It does not merely provide additional descriptive information.

Under the Medicare Physician Fee Schedule, certain services have separate professional and technical component values. CMS uses the PC/TC indicator in the fee schedule to identify how professional and technical component rules apply to individual services. CMS Physician Fee Schedule Look-Up Tool

Providers should verify that the procedure is eligible for professional-component billing before appending Modifier 26. A code's PC/TC indicator can affect whether Modifier 26 is appropriate.

When professional and technical components are separately billed, the combined payments generally represent the respective portions of the service rather than two independently performed complete procedures.

Payer rules may differ, so providers should verify both code-specific and payer-specific requirements.

Common Billing Mistakes

Using Modifier 26 on Every Diagnostic Test: Not all diagnostic procedure codes can be divided into professional and technical components.

Billing the Global Service: Reporting the full service when the provider furnished only the professional component can result in incorrect payment.

Confusing Modifier 26 With TC: Modifier 26 identifies the professional component; TC identifies the technical component.

Missing Interpretation Report: Billing a professional component without documentation supporting the required interpretation can lead to denial or recoupment.

Duplicate Component Billing: Multiple entities improperly bill the same professional component for the same service.

Incorrect Code Selection: Modifier 26 is appended to a code that does not permit professional-component billing.

Common Denial Reasons

Procedure Does Not Allow Modifier 26: The code's payment rules do not recognize a separately payable professional component.

Duplicate Professional Component: Another provider has already billed the professional portion of the same service.

Missing Documentation: The medical record does not support the interpretation or other professional work reported.

Incorrect Modifier: The claim represents the technical or global service rather than the professional component.

Medical Necessity Not Supported: The underlying diagnostic service does not satisfy applicable coverage requirements.

Claim Information Conflict: Place of service, provider information, procedure code, or other claim data conflicts with professional-component billing.

Modifier 26 vs. Modifier TC

Modifier 26: Identifies the professional component of an eligible service.

Modifier TC: Identifies the technical component of an eligible service.

For a diagnostic imaging study, the professional component generally represents the physician's interpretation and report, while the technical component generally includes the equipment, supplies, and personnel involved in performing the test.

When the components are appropriately billed by separate entities, one may report Modifier 26 while the entity furnishing the technical portion reports Modifier TC.

Modifier 26 vs. Global Billing

Modifier 26: Reports only the professional portion of a service.

Global Billing: Reports both the professional and technical components together when the billing entity appropriately furnishes both portions.

A provider should not report a global service when only the professional component was furnished. Likewise, Modifier 26 should not be appended when the provider is appropriately billing the complete global service.

Frequently Asked Questions

Can Modifier 26 be used outside of radiology?
Yes. Although Modifier 26 is commonly associated with diagnostic imaging, it can apply to other eligible services that contain separately reportable professional and technical components. The individual code's payment rules should be verified before billing.

Does Modifier 26 mean the physician personally performed the diagnostic test?
Not necessarily. Modifier 26 identifies the professional component. For many diagnostic services, the physician performs the interpretation and report while another entity furnishes the equipment, personnel, and other resources associated with the technical component.

Related Modifiers

Modifier TC: Technical component.

Modifier 76: Repeat procedure or service by the same physician or qualified healthcare professional.

Modifier 77: Repeat procedure by another physician or qualified healthcare professional.

ModifierLookup

Your trusted source for CPT and HCPCS modifier explanations, billing guidance, and coding resources

Categories

© 2025. All rights reserved.

Modifiers

Guides

Resources

Trusted Information

Practical Guidance

Accurate, up-to-date, and compliance-focused modifier guidance

Real-world billing examples and coding insights

Built for Professionals

Designed for coders, billers, and healthcare teams

Billing Guidelines

NCCI Edits Guide

Medicare Guidelines

Glossary

Privacy Policy

Terms & Conditions

Sitemap