Test Details

Mnemonic

HALOP

Ordering Code

3420390

CPT-4 Code(s)

80173

Specimen Information

Patient Preparation

Collect sample 11 - 17 hours after last dose.

Collect

Red top

Specimen Preparation

Centrifuge, separate serum from cells and send 1.0 mL serum refrigerated in a screw capped plastic vial.

Alternate Specimen

Plasma: Lavender EDTA, green sodium and lithium heparin

Minimum Volume

0.5 mL

Transport Temperature

Refrigerated

Rejection Criteria

Gel barrier tubes
Lipemic samples, citrated plasma, gross hemolysis

Stability

Room temperature: 2 days
Refrigerated: 7 days
Frozen: 1 month

Methodology

Quantitative Liquid Chromatography/Tandem Mass Spectrometry
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Reference Range

5 - 15 ng/mL
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Performing Laboratory

Quest
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New York DOH Approval Status

Yes
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