# Multi-Antigen Diagnostic Tests Cancellation

Canonical: https://abierto.us/opportunities/4777728c37b8427292a4220d047455b9

- Notice type: Special notice
- Status: Closed. Deadline was December 18, 2025 at 11:59 PM EST
- Department: Department of Health and Human Services
- Agency: Office of Assistant Secretary for Preparedness and Response
- Contracting office: Industrial Based Manufacturing and Supply Chain (75A504)
- NAICS: 325413 In-Vitro Diagnostic Substance Manufacturing
- Product or service code: 6550 In Vitro Diagnostic Substances, Reagents, Test Kits and Sets
- Set-aside: Total small business set-aside
- Place of performance: Washington, District of Columbia
- County: District of Columbia (FIPS 11001). https://abierto.us/counties/district-of-columbia-dc-11001
- City: Washington. https://abierto.us/cities/washington-dc-1150000
- First posted: December 8, 2025
- Last posted: December 8, 2025
- SAM.gov: https://sam.gov/workspace/contract/opp/4777728c37b8427292a4220d047455b9/view

## Description

The purpose of this Special Notice is to cancel Combined Synopsis/Solicitation Notice ID 75A50424R00006 Multi-Antigen Diagnostic Tests Cancellation.

## Publications

- December 8, 2025: Special notice, due December 18, 2025 at 11:59 PM EST. Notice 4777728c37b8427292a4220d047455b9. https://sam.gov/workspace/contract/opp/4777728c37b8427292a4220d047455b9/view

## Points of contact

- Rachelle Colon-Serna, rachelle.colon-serna@hhs.gov

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Source: SAM.gov Contract Opportunities bulk extract. Confirm deadlines on SAM.gov before responding. Cite https://abierto.us/opportunities/4777728c37b8427292a4220d047455b9.