Billing and Coding: Injections - Tendon, Ligament, Ganglion Cyst, Tunnel Syndromes and Morton's Neuroma (A57079) - R4 - Effective October 1, 2019

Date Posted: April 2, 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: October 1, 2019

Summary of Changes:

Under ICD-10-CM Codes that Support Medical Necessity Group 1 Codes, added asterisk * to G56.01, G56.02, and G56.03.

Under Group 1: Medical Necessity ICD-10-CM Codes Asterisk Explanation, added "*Use G56.01, G56.02, or G56.03 for 20526."

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Last Updated Apr 02 , 2026