Reflexive panel to assist in diagnosis of thrombotic thrombocytopenic purpura (TTP) and in distinguishing between inherited and acquired forms of TTP.
Quantitative Enzyme-Linked Immunosorbent Assay
Light Blue (Sodium Citrate). Refer to Specimen Handling at aruplab.com for hemostasis/thrombosis specimen handling guidelines.
Transfer 3 mL platelet-poor plasma to an ARUP Standard Transport Tube. (Min: 2 mL)
CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered.
Serum, or EDTA plasma. Clotted or hemolyzed specimens.
Ambient: 2 hours; Refrigerated: Unacceptable; Frozen: 2 weeks (No freeze/thaw cycles.)
|0030056||ADAMTS13 Activity||Effective November 17, 2014
Greater than 60 percent
Refer to report.
Laboratory Developed Test (LDT)
If ADAMTS13 Activity is less than or equal to 30 percent, then ADAMTS13 Inhibitor will be added. If ADAMTS13 Inhibitor is less than 0.8 BU, then ADAMTS13 Antibody will be added. Additional charges apply.
85397, if reflexed, add, 85335, if reflexed, add 83520
|Component Test Code*||Component Chart Name||LOINC|