CDOS

ADAMTS13 Antibody

Test Code: 117915

Performing Lab: LabCorp

CPT Code: 83520 001

Test Link (Copy)

Specimen Type

Plasma, FROZEN

Specimen Container

Blue-top (sodium citrate) tube

Volume

0.5 mL

Specimen Handling

Blood should be collected in a blue-top tube containing 3.2% buffered sodium citrate.[1] Evacuated collection tubes must be filled to completion to ensure a proper blood to anticoagulant ratio.[2,3] The sample should be mixed immediately by gentle inversion at least six times to ensure adequate mixing of the anticoagulant with the blood. A discard tube is not required prior to collection of coagulation samples.[4,5] When noncitrate tubes are collected for other tests, collect sterile and nonadditive (red-top) tubes prior to citrate (blue-top) tubes. Any tube containing an alternate anticoagulant should be collected after the blue- top tube. Serum gel-barrier tubes and serum tubes with clot initiators should also be collected after the citrate tubes. Centrifuge and carefully remove the plasma using a plastic transfer pipette, being careful not to disturb the cells. Transfer the plasma into a LabCorp PP transpak frozen purple tube with screw cap (LabCorp ID 49482). The specimen should be frozen immediately and maintained frozen until tested. To avoid delays in turnaroud time when requesting multiple tests on frozen samples, PLEASE SUBMIT SEPARATE FROZEN SPECIMENS FOR EACT TEST REQUESTED.

Unacceptable Conditions

Non-frozen sample received, non-citrate plasma received; sample left on cells.

Temperature

FREEZE

Methodology

Enzyme-linked immunosorbent assay (ELISA) using microtiter plates coated with a recombinant form of ADAMTS13 protease.

Stability

Room Temperature: Unstable
Refrigerated: Unstable
Frozen: 14 days

Result Code	Result Name	LOINC
117916	ADAMTS13 Antibody	40824-5

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