Test ID: Z2401
CPT code:
LOINC: 6683-7
Specimen Type: Blue Citrate
Frequency: Setup: Mon-Fri; analytic time 1 day
Instructions: 1.0mL platelet poor plasma from blue top tube. Freeze in plastic vial.
Min 0.5mL.
Text: Use for Evaluation of a prolonged TT: It is mainly used to confirm or
exclude the presence of heparin in the specimen; Evaluating
hypofibrinogenemia or dysfibrinogenemia in conjunction with the TT and
fibrinogen assay.
Methodology: Clot-based assay