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

Specimen Preparation

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

Minimum Volume

0.5 mL

Transport Temperature

Critical frozen

Rejection Criteria

Hemolyzed specimens, serum, EDTA plasma, clotted specimens, grossly lipemic, grossly icteric

Stability

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

Methodology

Immunoassay
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Reference Range

ADAMTS13 Activity: 0.68 - 1.63 IU/mL
ADAMTS13 Inhibitor: <0.4 BEU
If the ADAMTS13 Activity results is < or = 0.30 IU/mL,
the ADAMTS13 Inhibitor will be performed at
additional charge.
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Performing Laboratory

Quest SJC
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