Date Posted: March 5, 2026

This Billing and Coding Article has been revised under contractor numbers: 02101 (AK), 02201 (ID), 02301 (OR), 02401 (WA), 03101 (AZ), 03201 (MT), 03301 (ND), 03401 (SD), 03501 (UT), and 03601 (WY).

Effective Date: March 5, 2026

Summary of Changes: The following updates have been made:

Added CPT codes 31570 and 31573 to Group 1 in the CPT/HCPCS section and to the Group 9 Paragraph in the ICD-10-CM Codes that Support Medical Necessity section.

Corrected Group 8 Paragraph to remove CPT 64654 and add CPT 64650.

Added Group 9 Laryngeal Dystonia (CPT Code 64617) under the "ICD-10-CM Codes That Support Medical Necessity" section.

Added CPT codes 64642, 64643, 64644, 64645, 64646 and 64647 to the Group 15 Paragraph in the "ICD-10-CM Codes That Support Medical Necessity".

Removed ICD-10 code G24.8 from Group 13 in the ICD-10-CM codes that Support Medical Necessity section.

Added a paragraph in the Article Text under Modifiers JW and JZ section.

Added a paragraph in the Article Text under the Cosmetic Use section.

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