Date Posted: March 26, 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 Article Text, revised: "Append computed tomography cerebral perfusion analysis identified with CPT 0042T or 70472 with the KX modifier to attest the CTP analysis was performed in a certified stroke center." to "Append computed tomography cerebral perfusion analysis identified with CPT 70472 with the KX modifier to attest the CTP analysis was performed in a certified stroke center."

Under Article Text, removed: "Effective 1/1/26 CPT code 0042T will be replaced with CPT code 70472 & 70473 for Computed Tomography Cerebral Perfusion Analysis (CTP). Claims with date of service prior to 1/1/26 should still use 0042T."

Under Article Text, added the following clarification of acronyms: Cerebral Perfusion Analysis (CPA), Computed Tomography (CT), Artificial Intelligence QT interval Corrected Analysis (AI-QTC), Artificial Intelligence Cerebral Perfusion Analysis (AI-CPA, and Coronary CT Angiography (CCTA)

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