UNSPSC 41131703: Red blood cell enzyme assay

In this classification a red blood cell enzyme assay is a device used to measure the activity in red blood cells of clinically important enzymatic reactions and their products, such as pyruvate kinase or 2,3-diphosphoglycerate US FDA regulates Red blood cell enzyme assay under 21 CFR 864.7100 and under FDA product code LKZ.

UNSPSC 41131703 Red blood cell enzyme assay (Commodity) covers laboratory testing services and reference materials that state and local governments procure for drug screening, confirmatory analysis, and forensic toxicology work. Recent state and local solicitations show agencies buying immunoassay and confirmatory drug testing (LC/MS/MS, GC/MS), urinalysis panels for treatment court compliance monitoring, certified reference drug standards for forensic lab validation, and specialized assays such as clozapine monitoring for psychiatric patients. The issuing-body mix includes county criminal-justice and community-health departments, state laboratory operations, and city college systems. County Community Supervision and Corrections departments appear as repeat buyers for offender drug testing; county health and forensic laboratories procure drug standards and testing supplies; and state psychiatric healthcare operations purchase specialized assays.

Recent activity spans Florida (Seminole County naloxone and drug deactivation systems; Collier County and Clay County employment physicals and drug testing; Pinellas County forensic drug standards), Oregon (Benton County urinalysis for family treatment court; State of Oregon clozapine assay sole source), Texas (Collin County offender specimen collection and drug testing), Illinois (City Colleges of Chicago employment screening with drug testing component), and Nevada (Nevada Department of Public Safety alcohol breath-testing equipment). Collin County Community Supervision and Corrections Department posted RFP 2026-327 on July 9, 2026, seeking offender specimen collection and drug testing services with approximately 25,031 annual tests (five-panel and six-panel immunoassays with LC/MS/MS or GC/MS confirmation) for $600,000 over two years with three optional one-year renewals, due July 23, 2026. Benton County, Oregon posted RFP SC0200300017156 on June 6, 2026, requesting urinalysis testing services (amphetamines, barbiturates, benzodiazepines, opiates, cocaine, fentanyl, synthetic cannabinoids, cannabinoids, and alcohol panels with confirmatory testing) for its Family Treatment Court Program, due July 7, 2026. Pinellas County, Florida issued Invitation to Quote 26-0305-ITQ on April 23, 2026, for 131 line items of certified reference drug standards with ISO/IEC 17025:2017 and ISO 17034:2016 accreditation for forensic analysis method validation, due April 23, 2026, funded through the Paul Coverdell Forensic Sciences Improvement Act with $49,034 designated for equipment and supplies.