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

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
more

Reference Range

Negative
more

Performing Laboratory

ARUP Reference Laboratory
more

New York DOH Approval Status

Yes
more