24-48 hours after setup at PeaceHealth Laboratories’ reference lab
Specimen Collection Details
NOTE: Requires special handling. Collect one 4 mL lavender top (EDTA) tube or one 4 mL green top (heparin) tube.
IMMEDIATELY after blood is drawn, add 1 mL whole blood to a chilled collection tube containing 2 mL 8% (W/V) perchloric acid. Mix well for 30 seconds and place in an ice bath for 10 minutes. Centrifuge for 10 minutes at 1500 x g. Decant supernatant into a transport tube and freeze. If multiple tests are ordered, send separate specimen for this test.
Specimen stable 30 days refrigerated or 6 months frozen. Specimen unstable ambient.