UNSPSC 41131722: Heparin assay

In this classification a heparin assay is a device used to determine the level of the anticoagulant heparin in the patient's circulation. These assays are quantitative clotting time procedures using the effect of heparin on activated coagulation factor X (Stuart factor) or procedures based on the neutralization of heparin by protamine sulfate (a protein that neutralizes heparin) US FDA regulates Heparin assay under 21 CFR 864.7525 and under FDA product code KFF.

UNSPSC 41131722 Heparin assay, a Commodity code, encompasses drug screening, testing confirmations, and related clinical laboratory assay services procured by state and local jurisdictions for offender monitoring, employment screening, forensic analysis, and public safety operations. Recent opportunities show that state and local governments are soliciting immunoassay screening with LC/MS/MS or GC/MS confirmation protocols, urinalysis testing panels covering amphetamines through synthetic cannabinoids, specimen collection and chain-of-custody management, and specialized assays such as clozapine level monitoring for psychiatric patients. The issuing bodies span county community supervision departments, county human resources divisions, county health departments, city college systems, state departments, and forensic laboratories. County boards and community supervision agencies appear frequently as repeat buyers for offender drug testing, while state health and public safety departments procure assay kits and testing supplies for psychiatric monitoring and forensic operations.

Recent opportunities cluster in Texas, Florida, Oregon, and Illinois. Collin County, Texas Community Supervision and Corrections Department issued RFP 2026-327 on July 9, 2026 (due July 23, 2026) for offender specimen collection and drug testing services spanning two collection sites with annual testing demand of approximately 25,031 tests under a two-year contract with three optional one-year renewals, estimated at $600,000. Benton County, Oregon solicited urinalysis testing services for its Family Treatment Court Program via RFP SC0200300017156 (due July 6, 2026) requiring CLIA-certified laboratories with twice-weekly testing capability and secure web-based result reporting. Pinellas County, Florida issued Invitation to Quote 26-0305-ITQ (due April 23, 2026) for 131 line items of certified drug reference standards meeting ISO/IEC 17025:2017 accreditation, funded through the Paul Coverdell Forensic Sciences Improvement Act Program with $72,126.85 in federal dollars. City Colleges of Chicago RFP MWJ2603 (due March 30, 2026) requested employment screening services including non-NIDA 5 and 9 panel drug screening for approximately 1,500 to 1,600 candidates annually, with 25% MBE and 7% WBE participation requirements. The State of Oregon issued a sole source procurement (S4430000016822, due May 11, 2026) for MyCare Psychiatry Clozapine Assay Kit and Controls from Saladax Biomedical to maintain psychiatric patient testing operations.