Xtant Medical (XTNT) 10-Q 2018 Q3 Quarterly report

Exhibit 32.2

CERTIFICATION OF CHIEF FINANCIAL OFFICER

PURSUANT TO RULE 13a-14(b) UNDER

THE SECURITIES EXCHANGE ACT OF 1934 AND SECTION 1350 OF

CHAPTER 63 OF TITLE 18 OF THE UNITED STATES CODE

In connection with the Quarterly Report on Form 10-Q of Xtant Medical Holdings, Inc. (the “Company”) for the quarterly period ended September 30, 2018 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Kathie Lenzen, Senior Vice President, Finance & Administration and Chief Financial Officer of the Company, certify, to the best of my knowledge and belief, pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, that:

(1)	The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 (15 U.S.C. 78m(a) or 78o(d)); and
(2)	The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/ Kathie J. Lenzen

Kathie J. Lenzen

Senior Vice President, Finance & Administration and Chief Financial Officer (principal financial and accounting officer)

Date: November 14, 2018