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UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington , D.C. 20549 . Form 10 - K ( Mark One ) [ X ] ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31 , 2020 [ ] TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from Utah ( State or other jurisdiction of incorporation or organization ) Title of each class Common Stock OR Commission File Number 001-38148 CO - DIAGNOSTICS , INC . ( Exact Name of Registrant as Specified in Its Charter ) Securities registered pursuant to Section 12 ( b ) of the Act : 3841 ( Primary Standard Industrial Classification Code Number ) Large accelerated filer to 2401 S. Foothill Drive , Salt Lake City , Utah 84109 ( Address of principal executive offices and zip code ) ( 801 ) 438-1036 ( Registrant's telephone number including area code ) Trading Symbol ( s ) CODX Securities registered pursuant to Section 12 ( g ) of the Act : None Indicate by check mark if the registrant is a well - known seasoned issuer , as defined in Rule 405 of the Securities Act . Yes [ ] No [ X ] Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or 15 ( d ) of the Act . Yes [ ] No [ X ] Indicate by check mark whether the registrant ( 1 ) has filed all reports required to be filed by Section 13 or 15 ( d ) of the Exchange Act of 1934 during the preceding 12 months ( or for such shorter period that the registrant was required to file such reports ) , and ( 2 ) has been subject to such filing requirements for the past 90 days . Yes [ X ] No [ ] 46-2609396 ( I.R.S. Employer Identification Number ) Name of each exchange on which registered Nasdaq - CM Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site , if any , every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S - T ( § 232.405 of this chapter ) during the preceding 12 months ( or such shorter period that the registrant was required to submit and post such files ) . Yes [ X ] No [ ] [ ] Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S - K ( § 229.405 of this chapter ) is not contained herein , and will not be contained , to the best of registrant's knowledge , in definitive proxy or information statements incorporated by reference in Part III of this Form 10 - K or any amendment to this Form 10 - K . [ ] Indicate by check mark whether the registrant is a large accelerated filer , an accelerated filer , a non - accelerated filer , or a smaller reporting company . See definitions of “ large accelerated filer , ” “ accelerated filer , ” and “ smaller reporting company ” in Rule 12b - 2 of the Exchange Act . Accelerated filer [ ]