Ordering RecommendationRecommendations when to order or not order the test. May include related or preferred tests.
Assist in distinguishing between inherited and acquired forms of thrombotic thrombocytopenic purpura (TTP). Not recommended as initial test for identification of autoantibodies to ADAMTS13, since the ADAMTS13 antibody test is less specific for acquired TTP than ADAMTS13 Inhibitor (3000228). Order when acquired TTP is suspected but antibodies are not identified by the ADAMTS13 inhibitor test.
MnemonicUnique test identifier.
ADAMTS AB
MethodologyProcess(es) used to perform the test.
Quantitative Enzyme-Linked Immunosorbent Assay
PerformedDays of the week the test is performed.
Tue
ReportedExpected turnaround time for a result, beginning when ARUP has received the specimen.
1-8 days
New York DOH Approval StatusIndicates test has been approved by the New York State Department of Health.
Specimens from New York clients will be sent out to a New York DOH approved laboratory, if possible.
Specimen Required
Patient Preparation
Draw specimen prior to plasma exchange therapy.
Collect
Light Blue (Sodium Citrate). Refer to Specimen Handling at aruplab.com for hemostasis/thrombosis specimen handling guidelines.
Specimen Preparation
Transfer 1 mL platelet-poor plasma to an ARUP Standard Transport Tube. (Min: 0.5 mL)
Storage/Transport Temperature
CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered.
Unacceptable Conditions
Serum or EDTA plasma. Clotted or hemolyzed specimens.
Reference IntervalNormal range/expected value(s) for a specific disease state. May also include abnormal ranges.
Negative: Less than 12 U/mL Borderline: 12-15 U/mL Positive: Greater than 15 U/mL
Interpretive DataBackground information for test. May include disease information, patient result explanation, recommendations, details of testing, associated diseases, explanation of possible patient results.
Compliance Statement D: For laboratory tests using a manufactured RUO kit. This test was developed and its performance characteristics determined by ARUP Laboratories. The U. S. Food and Drug Administration has not approved or cleared this test; however, FDA clearance or approval is not currently required for clinical use. The results are not intended to be used as the sole means for clinical diagnosis or patient management decisions.
NoteAdditional information related to the test.
Hotline History
N/A
CPT CodesThe American Medical Association Current Procedural Terminology (CPT) codes published in ARUP's Laboratory Test Directory are provided for informational purposes only. The codes reflect our interpretation of CPT coding requirements based upon AMA guidelines published annually. CPT codes are provided only as guidance to assist clients with billing. ARUP strongly recommends that clients confirm CPT codes with their Medicare administrative contractor, as requirements may differ. CPT coding is the sole responsibility of the billing party. ARUP Laboratories assumes no responsibility for billing errors due to reliance on the CPT codes published.
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
AliasesOther names that describe the test. Synonyms.
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