ADAMTS13 Reflex Panel
Ordering Recommendation
Reflexive panel to assist in diagnosis of thrombotic thrombocytopenic purpura (TTP) and in distinguishing between inherited and acquired forms of TTP.
New York DOH Approval Status
Specimen Required
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.)
Methodology
Quantitative Enzyme-Linked Immunosorbent Assay
Performed
Tue
Reported
1-8 days
Reference Interval
Test Number |
Components |
Reference Interval |
---|---|---|
ADAMTS13 Activity | Greater than 60 percent |
Interpretive Data
Refer to report.
This test was developed and its performance characteristics determined by ARUP Laboratories. It has not been cleared or approved by the US Food and Drug Administration. This test was performed in a CLIA certified laboratory and is intended for clinical purposes.
Laboratory Developed Test (LDT)
Note
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.
Hotline History
CPT Codes
85397, if reflexed, add, 85335, if reflexed, add 83520
Components
Component Test Code* | Component Chart Name | LOINC |
---|---|---|
0030049 | ADAMTS13 Activity | 53622-7 |