Test Details

Mnemonic

HTL12

Ordering Code

3503620

CPT-4 Code(s)

86790 RUO, plus 86689 RUO if repeatedly positive and reflexed to WB confirm, at additional cost

Specimen Information

Collect

SST
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Specimen Preparation

Centrifuge, separate serum from cells within 2 hours and send 0.5 mL serum refrigerated in a screw-capped plastic vial.
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Alternate Specimen

Plasma: Lavender EDTA, green sodium or lithium heparin
Serum: Red-top
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Minimum Volume

0.5 mL
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Transport Temperature

Refrigerated
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Rejection Criteria

Grossly hemolyzed, lipemic or heat-inactivated specimens Specimens containing particulate matter
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Stability

Room temperature: Unacceptable
Refrigerated: 7 days
Frozen: Indefinitely
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Methodology

Enzyme Linked Immunosorbent Assay
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Reference Range

Negative
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Performing Laboratory

ARUP Reference Laboratory
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New York DOH Approval Status

Yes
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