UNSPSC 41141966: Free thyroxine test system

In this classification, Free thyroxine test system connotes a device used to measure Free thyroxine levels. US FDA regulates Free thyroxine test system under 21 CFR 862.1695 and under FDA product code CEC.

UNSPSC 41141966 Free thyroxine test system (Commodity) covers laboratory and forensic testing kits and reagents that state and local governments procure for substance analysis, pathogen detection, and reference material validation. Recent solicitations show state and local agencies buying Direct ELISA testing kits for controlled-substance screening, West Nile Virus and Dengue test kits for mosquito surveillance, certified drug reference standards for forensic laboratory validation, and DNA screening kits for state laboratory applications. The issuing bodies span state health and criminal justice departments, county forensic laboratories, and state environmental and public safety agencies. Work involves procurement of both consumable test kits with specific analyte targets (cannabinoids, opiates, barbiturates, benzodiazepines, and similar compounds) and the reference materials and supporting reagents required for analytical method validation and quality assurance in forensic and diagnostic operations.

Recent activity concentrates in Texas and Florida. The Texas Department of Public Safety posted IFB 405-26R0008445A on July 9, 2026, for immunalysis reagent kits—12 line items of Direct ELISA testing kits for substance analysis with response due July 23, 2026. The Texas Health and Human Services Commission procured QIAxcel and QIAamp DNA screening kits through IFB HHS0016902v2 with response due January 29, 2026, for the Department of State Health Services laboratory, with historical annual spend of $25,050 to $30,000. The Illinois Department of Financial and Professional Regulation established a joint purchase master contract for RAMP mosquito testing equipment through sole-source procurement to ADAPCO, LLC, posted May 4, 2026. Pinellas County, Florida, in partnership with the Florida Department of Law Enforcement, issued ITQ 26-0305-ITQ on April 23, 2026, for 131 line items of certified drug reference standards (ISO/IEC 17025:2017 accredited, purity exceeding 97%), funded through the Paul Coverdell Forensic Sciences Improvement Act Program with $72,126.85 in federal funds, of which approximately $49,034 is designated for equipment and supplies. Pinellas County offers SBE preference for respondents submitting within the first five business days.