Gastrocor

Gastrocor is a specialized diagnostic laboratory brand focused on gastroenterology, currently operating as a division of Quest Diagnostics. Originally established as the laboratory services arm of Prometheus Laboratories, Gastrocor provides advanced diagnostic, prognostic, and monitoring assays for complex gastrointestinal conditions. The company is best known for its comprehensive testing panels for Inflammatory Bowel Disease (IBD), including the IBD sgi Diagnostic and the Anser line of therapeutic drug monitoring tests. These services utilize proprietary serological, genetic, and inflammatory biomarkers to help clinicians personalize treatment and improve patient outcomes. Following Quest Diagnostics' acquisition of Prometheus Laboratories' assets in 2023, Gastrocor continues to serve as a key provider of precision medicine tools in the GI space.