The government authority located in Wisconsin seeks a vendor to provide immunology (serum) proficiency testing samples and unit supplies. All samples must be human-based unless otherwise specified in the request. Additionally, samples are required to be free from fibrin and other particulate matter that could interfere with sample processing or analysis.

Vendors must ensure all questions regarding the RFP are submitted no later than March 16, 2026. Suppliers should demonstrate the ability to deliver high-quality, compliant proficiency testing materials suitable for laboratory and clinical analysis environments.