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: 01112 (NCA), 01182 (SCA), 01212 (AS, GU, HI, and NMI), and 01312 (NV).

Effective Date: January 1, 2026

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

Visit the Noridian Active LCDs webpage to view the document or access it via the CMS Medicare Coverage Database (MCD).

Last Updated Feb 19 , 2026