Radiology Coding Update for 2026

Why This Topic Matters

Radiology practices often rely on timely awareness of annual code changes to maintain accurate reporting and avoid claim disruptions. This update helps readers understand which areas of radiology coding were affected for 2026 and where reimbursement, bundling, and diagnosis coding updates may influence workflow.

Article Sections

1. Diagnostic Radiology

   Covers updates affecting imaging services in the diagnostic radiology setting. The section introduces changes tied to CT angiography and CT cerebral perfusion analysis.

2. CT Angiography

   Discusses changes related to head and neck CT angiography reporting and the move toward bundled reporting. Includes reimbursement comparison information and general coding context.

3. CT Cerebral Perfusion Analysis (CTP)

   Summarizes the introduction of new CPT options associated with cerebral perfusion analysis. The section notes the relationship to prior temporary reporting and provides general billing context.

4. Interventional Radiology

   Introduces procedure updates for interventional radiology in 2026. The section focuses on lower extremity revascularization and related services.

5. Lower Extremity Revascularization

   Outlines the restructuring of lower extremity revascularization coding into a more detailed code set. The section discusses the anatomic territory breakdown and related procedural services.

6. Prostate Biopsy

   Reviews the prostate biopsy code changes for 2026, including the transition to new guidance-based reporting options. The section also notes related add-on coding changes.

7. Category III Codes

   Summarizes newly available Category III radiology-related codes for 2026. The section indicates these are used alongside primary procedure codes.

8. Diagnosis Coding

   Covers ICD-10-CM diagnosis coding updates relevant to radiology documentation and symptom reporting. The section highlights new and expanded symptom code options.

9. Pain/Tenderness Localized to Flank

   Describes the addition of flank pain and tenderness codes within ICD-10-CM. The section addresses the broader symptom coding category used in imaging workflows.

10. Pain in Pelvis and Perineum

    Summarizes the expanded ICD-10-CM options for pelvic and perineal pain reporting. The section notes laterality-related diagnosis coding updates.