Test ID: ZG944
CPT code: 85397
Specimen Type: Blue (sodium citrate)
Frequency: 2 – 4 days
Instructions: 1.0 mL Plasma from Blue(sodium citrate), Frozen, PLT poor. Min 0.3 mL.
Text: Differentiating thrombotic thrombocytopenic purpura (TTP) from a number of similar conditions. Reflex to antibody is used to differentiate congenital from autoimmune deficiency. TTP is a life-threatening disease characterized by moderate to severe consumptive thrombocytopenia, red cell fragmentation, & elevated LDH levels, due to red cell destruction
Methodology: Liquid chromatography-tandem mass spectrometry (LC-MS/MS) assay