PT Mixing Study

Test ID: PTMIX

CPT code: 85611
LOINC: 5959-2
Specimen Type: Citrate
Frequency: Setup: Mon-Fri; TAT 1-3 days
Instructions: Full 3.2% sodium citrate tube (Blue). If not analyzed within 4 hrs, spin 15min at 1500xg, separate plasma into 2 1ml aliquots, freeze at -20.
Text: Distinguish between circulating anticoagulants and factor deficiencies.
Stable 2 weeks frozen.
Methodology: 50/50 dilution/clot detection

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