Exhibit 23.1

Consent of Independent Registered Public Accounting Firm

We consent to the incorporation by reference in the registration statement (No. 333-287446) on Form S-3 and registration statements (Nos. 333-287450, 333-281500, 333-273731, 333-270863, 333-270861, 333-248424, 333-220148, 333-198237, 333-176315, 333-151077, 333-138814, 333-118385, 333-102235, 333-50340, 333-48662) on Form S-8 of our report dated March 11, 2024, except for note 12, as to which the date is March 7, 2025, with respect to the consolidated financial statements of OraSure Technologies, Inc.

/s/ KPMG LLP

Philadelphia, Pennsylvania
March 9, 2026