Test ID: F8
CPT code: 85240
LOINC: 3209-4
Specimen Type: Blue Citrate
Frequency: Setup: Daily; TAT 2 days
Instructions: Full 3.2% sodium citrate tube (Blue). If not analyzed within 4 hrs, spin 15min at 1500xg, separate plasma into 2 0.5ml aliquots, freeze at -20.
Text: Frozen specimen stable 2 weeks.
Methodology: Photometric clot detection