Phospho-Tau 217, Plasma
Synonyms |
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Cerner Name |
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Clinical Info |
This test is used to aid in the biological identification of Alzheimer's disease by measuring phosphorylated tau 217, which has been shown in the literature to be a surrogate of amyloid pathology. Additionally, pTau-217 can be used for monitoring patients on newly approved anti-amyloid therapy. |
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Specimen Sources |
Blood, Arterial Blood, Capillary Blood, Central Line Blood, Venous |
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Specimen Types |
Blood |
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Specimen Volume |
1.0 mL Plasma ( Min 0.75 mL) (Note: This volume does not allow for repeat testing.) |
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Container |
Plasma from a Lavender Top Tube |
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Collection Instructions |
Container /Tube: Lavender Top Tube |
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Transport Instructions |
FROZEN |
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Specimen Stability |
14 Days Frozen |
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Methodology |
Fujirebio Lumipulse chemiluminescent enzyme immunoassay (CLEIA) |
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Days Performed |
TAT: 6-8 Days |
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Performing Laboratories |
Labcorp |
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CPT |
84393 |
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PDM |
245383 |
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Results |
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Result Interpretation |
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Forms |
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