Other abnormal test result NOS

Other abnormal test result NOS Reaction Insights

The FDA Center for Veterinary Medicine database currently lists 20,496 adverse event reports that reference Other abnormal test result NOS as a reaction term, including 3,470 reports with a death outcome — a 1690.0% case-fatality figure calculated across only those events where this reaction was coded. The reaction is indexed in the openFDA system under VeDDRA code 1221, the standardized veterinary dictionary used to normalize clinical signs across submitters. Because reports are voluntary and often describe multiple concurrent signs per animal, the volume here reflects reporting intensity rather than true incidence in the broader pet population.

Other abnormal test result NOS appears most frequently in reports for Dog (17,426 reports), Cat (2,453 reports), Horse (282 reports) — with Dog dominating at 17,426 entries. Within those species, the breeds most often named alongside this reaction are Retriever - Labrador (2,238), Domestic Shorthair (1,584), Crossbred Canine/dog (967). These distributions are influenced both by underlying breed popularity and by how veterinarians and owners code a given clinical sign, so they should be interpreted as a reporting fingerprint rather than a pure susceptibility ranking.

The drugs most commonly co-reported with Other abnormal test result NOS are Milbemycin Oxime + Spinosad (2,738 reports), Milbemycin Oxime + Praziquantel (1,741 reports), Carprofen (1,423 reports), Oclacitinib Maleate (1,363 reports), with Milbemycin Oxime + Spinosad appearing alongside this reaction in 2,738 submissions. Co-reporting does not establish that any specific product caused the reaction — FDA CVM data captures temporal association only. The value of these aggregates is in flagging which therapeutic classes appear repeatedly alongside a given clinical sign, so owners and veterinarians can ask targeted questions about medications currently in use.