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ADAMTS13 ACTIVITY WITH REFLEX TO INHIBITOR
MessageCollect a full tube to the fill line, following standard venipuncture techniques. Do not over or under fill tubes as the ratio of blood to anticoagulant (9: 1) is necessary for accurate results. Gently Invert the tube three or four times immediately after venipuncture to ensure proper mixing of blood and anticoagulant.
Test Code
LAB12262 ADAMR
Alias/See Also
ADAMR
CPT Codes
85397
Instructions
Processing Instructions (Lab use only): Within 4 hours of collection, centrifuge, transfer all plasma into a plastic vial, and centrifuge plasma again. Aliquot plasma into separate plastic vial leaving 0.25 mL in the bottom of centrifuged vial. Freeze plasma immediately (no longer than 4 hours after collection) at -20° C, or, ideally at -70° C. Minimum Testing Volume: 1 mL (plasma) Transport Temperature: Frozen - ship on dry ice Stability: Ambient: 4 hoursRefrigerated : UnacceptableFrozen: (-70 °C): 1 month Causes for Rejection: Specimens submitted Refrigerated or greater than 4 hours after collection at room temperature, are short draws, clotted or have excessive hemolysis, icterus or lipemia.
Report Available
STAT 24-Hours|Routine 24-Hours|Timed 24-Hours
Clinical Significance
1230140214
Last Updated: May 18, 2026