Test Code MISLAB; 11786 Quest AD-Detect™, Beta-Amyloid 42/40 Ratio, Plasma
Additional Codes
Epic EAP | Ordering Code |
---|---|
LAB2607 | MISLAB: 11786 Beta Amyloid 42 40 Ratio |
Specimen Requirements
Preferred Specimen(s)
1.2 mL plasma collected in a K2 EDTA (lavender-top) tube
Minimum Volume
0.6 mL
Collection Instructions
Collect blood into a K2 EDTA Plasma tube and mix by inversion 10 times. Centrifuge to separate cells from plasma at room temperature (18-25° C) within 1 hour of collection. If not centrifuging right away, store blood on ice until ready to centrifuge. Carefully transfer plasma into a clean 12x75 mm polypropylene tube. Store frozen.
Performing Laboratory
CPT
0346U
Specimen Transport Temperature
Send frozen
Room temperature: Unacceptable
Refrigerated: 72 hours
Frozen -20° C: 32 days
Frozen -70° C: 77 days