BURLINGTON, N.C., Aug. 18, 2025 /PRNewswire/ — Labcorp (NYSE: LH), a global leader of innovative and comprehensive laboratory services, announced today the availability of the Lumipulse® pTau-217/Beta Amyloid 42 Ratio, the first blood-based in-vitro diagnostic (IVD) test cleared by the U.S. Food and Drug Administration (FDA) to aid in the diagnosis of Alzheimer’s disease.