FDA Clears Roche's Elecsys pTau217 Blood Test for Alzheimer's Assessment
Roche's Elecsys pTau217 blood test received FDA clearance for amyloid detection in symptomatic patients 55+ in primary and specialty care. Labcorp and Quest will offer the test, and the 'Power of One' single-biomarker approach provides rule-in/rule-out capability. This builds on the PrecivityAD2 clearance and further expands accessible blood-based diagnostics.
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Updated Aug 25, 2026