Exhibit 23.1
INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM’S CONSENT
We consent to the incorporation by reference in this Registration Statement of ThermoGenesis Holdings, Inc. on Amendment No. 3 to Form S-1 (File No. 333-264242) of our report dated March 28, 2022, which includes an explanatory paragraph as to the Company’s ability to continue as a going concern, with respect to our audits of the consolidated financial statements of ThermoGenesis Holdings, Inc. as of December 31, 2021 and 2020 and for each of the two years in the period ended December 31, 2021 appearing in the Annual Report on Form 10-K of ThermoGenesis Holdings, Inc. for the year ended December 31, 2021. We also consent to the reference to our firm under the heading “Experts” in the Prospectus, which is part of this Registration Statement.
/s/ Marcum LLP
Marcum LLP
New York, NY
October 14, 2022
