Billing and Coding: MRI and CT Scans of the Head and Neck (A57204) - R16 - Effective January 1, 2026

Date Posted: May 14, 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 codes that Support Medical Necessity Group 1 added: S01.01XA, S01.01XD and S01.01XS.

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Last Updated May 14 , 2026