Specimen Collection Requirements
Serum, one 4 mL gold (SST) top tube
Allow specimen to clot for one hour at ambient temperature. Separate serum from cells ASAP and freeze. CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered.
0.3 mL (Whole Blood 0.75 mL minimum draw)
Specimens left to clot at 2-8°C, specimens exposed to repeated freeze/thaw cycles, nonfrozen specimens
AFTER SEPARATION FROM CELLS: Ambient: 2 hours; Refrigerated: Unacceptable; Frozen: 2 weeks
Thursday, January 5, 2017 03:42:04 AM