Test ID: Q0399
CPT code: 85230
LOINC: 3198-9
Specimen Type: Citrate-PLT poor plasma
Frequency: Mon-Fri; analytic time 4 days
Instructions: 2 vials ea. 1.5mL platelet-poor plasma from light blue (Citrate) tube. Donot pool aliquots together.Frozen. Freeze at -40 or less.
Text: This assay measures the clotting ability of Factor 7. This assay is used to aid in the diagnosis of coagulation factor deficiencies that may present with epistaxis, menorrhagia, and cerebral hemorrhage.
Methodology: Clot Detection