Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in Zynex Inc.’s Registration Statements on Form S-3 (File Nos.  333-230128 and 333-232267) and on Form S-8 (File No. 333-220366) of our report dated February 25, 2021, relating to the December 31, 2020 consolidated financial statements which appears in Zynex, Inc.’s Form 10-K for the year ended December 31, 2020.

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​		/s/ Plante & Moran PLLC
February 25, 2021	​	​
Denver, CO	​	​

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