24-72 hours after setup at PeaceHealth Laboratories’ reference lab
CPT Code:
86308-90 / 86309-90 if reflexed
Specimen Collection Details
Collection:
One 7.5 mL serum separator tube (SST). Also acceptable: One 4 mL lavender top tube (EDTA).
Handling:
Allow to clot, centrifuge and separate serum or plasma from cells immediately and pour into plastic vial. Refrigerate. Avoid repeated freeze/thaw cycles.
Stability:
2 days ambient, 14 days refrigerated, or 1 year frozen.
Standard Volume:
1 mL serum or plasma.
Minimum Volume:
150 µL serum or plasma.
Transport:
Refrigerated.
Comments:
All positive results will be titered.
Rejection Criteria:
Cerebrospinal fluid (CSF); specimen exposed to repeated freeze/thaw cycles.