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Test Code A13AB ADAMST13 Antibody

Additional Information

If the patients' Hematocrit exceeds 55%, the volume of citrate in the collection tube must be adjusted.

Collection Container

Light Blue

Specimen Required

Platelet poor plasma, whole blood if received in laboratory within 4 hours of collection

Other Acceptable Specimen Types

Serum: refrigerated up to 7 days

Special Handling Instructions

Spin down, remove plasma and spin again. Double centrifugedspecimen is critical for accurate results as platelet contamination may cause spurious results.

Specimen Volume

Platelet poor plasma: 1 mL aliquot, Whole blood: 2.7 mL

Minimum Specimen Volume

Platelet poor plasma: 0.5 mL, Whole blood: 2.7 mL

Transport Temperature

Platelet poor plasma: frozen, Whole blood: ambient temperature

Specimen Stability

Whole blood: 4 hours

Reasons for Rejection

Hemolyzed, clotted, Whole blood >4 hours old



Days and Times Performed

Monday - Friday

Turnaround Time

7 Days

Reference Ranges

Reported with result

Units of Measure

Arbitrary Units

CPT Code


EMR Interface Order Code