Billing and Coding: Computed Tomography Cerebral Perfusion Analysis (CTP) (A58223) - R6 - Effective January 1, 2026

Date Posted: February 19, 2026

This Billing and Coding Article has been revised under contractor numbers: 02102 (AK), 02202 (ID), 02302 (OR), 02402 (WA), 03102 (AZ), 03202 (MT), 03302 (ND), 03402 (SD), 03502 (UT), and 03602 (WY).

Effective Date: January 1, 2026

Summary of Changes: Under ICD-10-CM Codes that Support Medical Necessity, added R29.810 to Group 1 Codes.

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Last Updated Feb 19 , 2026