We hereby consent to the incorporation by reference in the Registration Statements on Form S-3 (No 333-215813, No. 333-210003, and No. 333-185932) and Form S-8 (No. 333-69460, No. 333-141555, No. 333-151785, and No. 333-203633) of Chembio Diagnostics, Inc. of our reports dated March 8, 2018 relating to the consolidated financial statements and financial statement schedule, and the effectiveness of Chembio Diagnostics, Inc.’s internal control over financial reporting, which appear in this Form 10-K.