Exhibit 23.1

CONSENT OF REGISTERED INDEPENDENT PUBLIC ACCOUNTING FIRM

        We hereby consent to the incorporation by reference in Registration Statement No. 333-69460 on Form S-8 of our report dated February 3, 2006 relating to the consolidated balance sheet of Chembio Diagnostics Inc. and Subsidiaries as of December 31, 2005 and the consolidated statements of operations, stockholders’ equity (deficit) and cash flows for the two years in the period ended December 31, 2005 appearing in this Annual Report on Form 10-KSB of Chembio Diagnostics, Inc. for the year ended December 31, 2005.

Lazar Levine & Felix LLP

/s/ Lazar Levine & Felix LLP

New York, New York

March 30, 2006