ADAMTS13 Activity Reflex Panel
Order Name
ADAMTS13 Reflex
Test Number: 5194453
Revision Date 12/12/2022
Test Number: 5194453
Revision Date 12/12/2022
| Test Name | Methodology | LOINC Code |
|---|---|---|
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ADAMTS13 Activity Reflex Panel
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| SPECIMEN REQUIREMENTS | ||||
|---|---|---|---|---|
| Specimen | Specimen Volume (min) | Specimen Type | Specimen Container | Transport Environment |
| Preferred | 1 mL (0.3 mL) | Platelet Poor Plasma | Sodium Citrate 3.2% (Blue Top) | Frozen |
| Instructions | Notes: 0.3 mL (Note: This volume Does not allow for repeat testing) Specimen Type: Blue-top (sodium citrate) tube Specimen Storage: FREEZE Specimen Collection: Blood should be collected in a blue-top tube containing 3.2% buffered sodium citrate. Evacuated collection tubes must be filled to completion to ensure a proper blood to anticoagulant ratio. The sample should be mixed immediately by gentle inversion at least six times to ensure adequate mixing of the anticoagulant with the blood. Centrifuge for 10 minutes and (using a transfer pipette) carefully remove two-thirds of the plasma without disturbing the cells. Deliver to a plastic transport tube, cap, and recentrifuge for 10 minutes. Use a second plastic pipette to remove the plasma, staying clear of the platelets at the bottom of the tube. Transfer the plasma into a Sterile Pour Off Tube or 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 turnaround time when requesting multiple tests on frozen samples, PLEASE SUBMIT SEPARATE FROZEN SPECIMENS FOR EACH TEST REQUESTED. Special Instructions: ADAMTS13 Activity with reflex to ADAMTS13 Antibody when Activity is less than 30%. Collection Notes: A discard tube is not required prior to collection of coagulation samples. 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 tubes. Serum gel tubes and serum tubes with clot initiators should also be collected after the citrate tubes. |
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| GENERAL INFORMATION | |
|---|---|
| Expected TAT | 2 - 4 days |
| Performing Labcorp Test Code | 117921 |
| Notes | Labcorp Test Code: 117921 |
| CPT Code(s) | ADAMTS13 Activity: 85397 Possible Reflex: Order Code: (5194454) .Reflex ADAMTS13 Antibody Result Code: (5194456) ADAMTS13 Antibody Result Code: (5194457) ADAMTS13 Comment CPT: 83520 Possible Reflex: Order Code: (5194455) .Reflex ADAMTS13 Comment Result Code: (5194457) ADAMTS13 Comment CPT: n/a |
| Lab Section | Reference Lab |