Test Details

Mnemonic

HTL12

Ordering Code

3503620

CPT-4 Code(s)

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

Specimen Information

Collect

Serum separator tube (SST)

Specimen Preparation

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

Alternate Specimen

Plasma: Lavender EDTA, green sodium or lithium heparin, light blue sodium citrate
Serum: Red top

Minimum Volume

0.5 mL

Transport Temperature

Refrigerated

Rejection Criteria

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

Stability

Room temperature: Unacceptable
Refrigerated: 7 days
Frozen: Indefinitely

Methodology

Enzyme Linked Immunosorbent Assay
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Reference Range

Negative
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Performing Laboratory

ARUP
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New York DOH Approval Status

Yes
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