UNSPSC 51162104: Isoniazid/pyridoxine/sulfamethoxazole/trimethoprim

This classification is for a combination therapy used for prophylaxis against multiple opportunistic infections in people living with HIV. The first component, ISONIAZID, has US FDA Unique Ingredient Identifier of V83O1VOZ8L. ISONIAZIDis an International Non-Proprietary Name or INN. The second component, PYRIDOXINE, has US FDA Unique Ingredient Identifier of KV2JZ1BI6Z. The third component, SULFAMETHOXAZOLE, has US FDA Unique Ingredient Identifier of JE42381TNV. The fourth component, TRIMETHOPRIM, has US FDA Unique Ingredient Identifier of AN164J8Y0X.

UNSPSC 51162104 Isoniazid/pyridoxine/sulfamethoxazole/trimethoprim is a Commodity code that covers branded and generic pharmaceutical combinations used in infectious disease treatment, but the recent state and local opportunities posted under this code show little relevant procurement activity directly targeting these specific drug formulations. Of the sixteen opportunities listed, only one—a forensic drug standards procurement by Pinellas County, Florida—involves pharmaceutical reference materials with any connection to drug standards and analysis, and that opportunity focuses on certified reference materials for forensic laboratory validation rather than clinical pharmaceuticals for patient care or public health distribution. The remaining opportunities span unrelated categories including naloxone procurement, BLS/ALS pharmaceuticals, vendor forums and trade shows, grants administration, wellness services, continuing engineering services, pharmacy benefits networks, and oxygen cylinder rentals—none of which align with procurement of the specific isoniazid combination product this code nominally represents. The issuing bodies across these records include county government (Williamson County, Pinellas County, Marion County, Indian River County, Orange County, and Seminole County in Florida; Bernalillo County in New Mexico), cities (Tucson and Little Rock), and state-level cooperative purchasing organizations (Minnesota Multistate Cooperative Purchasing Alliance), but they are not soliciting under this code for the product the code names.

The geographic spread of these tangential opportunities spans Florida, Texas, Arizona, Arkansas, New Mexico, and Minnesota, representing no meaningful concentration in any single jurisdiction. Pinellas County's April 2026 ITQ 260305 for certified drug standards with a June 1, 2026 delivery deadline represents the only pharmaceutical-specific procurement in the block, procuring 131 line items of reference materials for forensic analysis rather than clinical use. A business development professional evaluating this code should treat the recent-opportunities dataset as a signal of low activity specifically targeting isoniazid/pyridoxine/sulfamethoxazole/trimethoprim procurement at the state and local level; the posting pattern suggests either minimal government demand for this specific formulation or systematic misclassification of pharmaceutical solicitations across multiple jurisdictions' procurement systems. Monitor for corrected tagging or emerging demand signals in future opportunity cycles.