Test Details

Mnemonic

ADMTS

Ordering Code

3723500

CPT-4 Code(s)

Activity: 85397, plus inhibitor: 85335, if performed, at additional cost

Specimen Information

Collect

Light blue 3.2% sodium citrate
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Specimen Preparation

Send 1.0 mL platelet-poor plasma frozen in a screw capped plastic vial. CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered. See coagulation test collection instructions.
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Minimum Volume

0.5 mL
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Transport Temperature

Critical frozen
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Rejection Criteria

Hemolyzed specimens, serum, EDTA plasma, clotted specimens
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Stability

Room temperature: Unacceptable
Refrigerated: Unacceptable
Frozen (-20°C): 21 days
Frozen (-70°C): 6 months
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Methodology

Immunoassay
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Reference Range

ADAMTS13 Activity: 68 - 163% Activity
ADAMTS13 Inhibitor: <0.4 BEU
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Performing Laboratory

Quest SJC
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