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ADNI4, Research Sample
Test Code12956
CPT Codes
⁠⁠⁠⁠⁠⁠⁠<br>*** RESTRICTED USE *** This code is available to Client 1296, 2244, 4057, 6121, 6220, 6464, 6666, 8807, 52773, 53341 ONLY.
Preferred Specimen
4 mL frozen whole blood collected in an EDTA (lavender-top) tube and
12 mL frozen plasma collected in an EDTA (lavender-top) tube
12 mL frozen plasma collected in an EDTA (lavender-top) tube
Minimum Volume
4 mL whole blood • 12 mL plasma
Instructions
Collect 7 EDTA (lavender-top) tubes. Centrifuge and carefully transfer plasma using pipette on 6 tubes into a clear 12x75 mm polypropylene transport tube(s) with clear plug cap. DO NOT use colored capped transport vials. Store at -10° to -70°C. Send the 7th tube as frozen whole blood.
Note 1: Patient Service Reps will need 7 collection labels (1 per 4 mL EDTA drawn) and 6 destination labels that states approximately 2 mL each. There will be 6 plasma samples and 1 whole blood that is sent to SJC.
Note 2: Will need a PSC only rule that states "Draw 7 lavender tubes - after centrifugation of six tubes, separate off the plasma and transfer into 6 tubes, 1 remaining whole blood and freeze immediately."
Note 1: Patient Service Reps will need 7 collection labels (1 per 4 mL EDTA drawn) and 6 destination labels that states approximately 2 mL each. There will be 6 plasma samples and 1 whole blood that is sent to SJC.
Note 2: Will need a PSC only rule that states "Draw 7 lavender tubes - after centrifugation of six tubes, separate off the plasma and transfer into 6 tubes, 1 remaining whole blood and freeze immediately."
Transport Temperature
Frozen
Specimen Stability
Room temperature: Unacceptable
Refrigerated: Unacceptable
Frozen -20° C: 32 days
Frozen -70° C: 9 months
Refrigerated: Unacceptable
Frozen -20° C: 32 days
Frozen -70° C: 9 months
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis • Specimen collected in a glass, polystyrene, or polycarbonate tube
Setup Schedule
See individual assays
