24-72 hours after setup at PeaceHealth Laboratories’ reference lab.
CPT Code:
83704-90
Specimen Collection Details
Collection:
Two 4 mL lavender top tubes (EDTA). Also acceptable: Two 5 mL red top tubes. Do not use serum separator tubes (SST). A 12 hour fast is preferred but not required.
Handling:
Allow to clot, centrifuge and separate plasma or serum from cells into a plastic vial. Immediately refrigerate. Critical refrigerated.
Stability:
10 days refrigerated. Unstable ambient or frozen.
Standard Volume:
4 mL plasma or serum.
Minimum Volume:
2 mL plasma or serum.
Transport:
Refrigerated.
Rejection Criteria:
Specimen more than 10 days old; use of SST; frozen or ambient specimen.