Test Details

Mnemonic

SEQ1

Ordering Code

3000357

CPT-4 Code(s)

81508 (or 84163, 84702)

Specimen Information

Patient Preparation

Collect specimen between CRL 36 mm and CRL 79.9 mm.

Collect

Red top

Specimen Preparation

Centrifuge, separate serum from cells within 2 hours of collection and send 1.0 mL serum
in a screw capped plastic vial. Prenatal Screening information required at Order Entry. Please
send completed Prenatal Screen Information sheet with each specimen if unable to transmit
required responses.

Alternate Specimen

Serum separator tube (SST)

Minimum Volume

0.6 mL

Transport Temperature

Refrigerated

Rejection Criteria

Moderately hemolyzed, lipemic or icteric specimens; plasma

Stability

Room temperature: 5 days
Refrigerated: 7 days
Frozen: 120 days

Methodology

Chemiluminescence
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Reference Range

See report
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Performing Laboratory

Warde Medical Laboratory
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New York DOH Approval Status

No
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