FACTOR 11 (XI) ASSAY

• CPT Code: 85270
• LOINC: 3226-8
• 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 11. This assay is usedto aid in the diagnosis of coagulation factor deficiencies that may present with mild bleeding, bruising, epistaxis, retinal hemorrhage, and menorrhagia.
• Methodology: Clot Detection