Test directory: Phospho-Tau 217, Plasma

Ordering Code 8022
Test Name Phospho-Tau 217, Plasma
Alias pTau217
PhosphoTau217
Preferred Specimen Plasma
Preferred Container EDTA, K2 (Lavender)
Optimum Volume 1 mL
Collection Instructions This assay should not be ordered for individuals younger than 50 years or incognitively unimpaired individuals regardless of age. This assay should not be used to predict the development of dementia or other neurologic conditions.
Handling Instructions Separate plasma promptly.
Transport Requirements Oahu: Ambient
Airline: Refrigerated
Specimen Stability Ambient: 72 Hours
Refrigerated: 7 Days
Frozen: 7 Days
Rejection Criteria Grossly hemolyzed
Avail. Stat NO
Analytic Time 7 Days
Methodology Immunoassay
Reference Lab  Mayo Medical Lab

Reference range(s)

The reference ranges listed below are valid on this date of June 29, 2025.
Component Age Male Norm Male Critical Low Male Critical High Female Norm Female Critical High Female Critical Low Units Add'l info
pTau217, P ALL See report.
pTau217 Interpretation ALL See report.