PrecivityAD2, Plasma

Specimen:

Test Code

YC2AD2

Specimen Name

PrecivityAD2, Plasma

Collect

2-EDTA

Submit

2-1.5 mLs aliquots CRITICAL FROZEN

Special Handling

Centrifuge within two hours of collection. Label two 2-mL screw-cap micro tubes. Aliquot 1.5 mL of plasma into each labeled transport tube. Freeze plasma (no longer than 2 hours after collection) at or below -20°C.

Rejection Criteria

Grossly hemolyzed, icteric, or lipemic specimens. Outside of age range, Specimen collected outside of testing range (too long in storage before arrival to testing facility), Insufficient volume, Incorrect labeling.

Stability

Ambient Unacceptable; Refrigerated Unacceptable; CRITICAL FROZEN

Methodology

Immunoprecipitation/Liquid Chromatography Tandem Mass Spectrometry (LC-MS/MS)

Performed

Monday - Friday

Reported

15-18 days

CPT Codes

  • 0503U

Components

—

Additional Information

Assisting in the evaluation of adult patients, aged 50 years and older, with signs or symptoms of mild cognitive impairment or dementia who are being assessed for Alzheimer disease and other causes of cognitive decline. This is not intended for patients younger than 50 years, or for use as a screening test in patients without signs or symptoms of cognitive impairment, or for serial testing for assessment of longitudinal changes.

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Test Information

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Common Test Phrases

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Common Lab Definitions

  • Serum 
  • Plasma 
  • STT