Test Details

Mnemonic

LEP

Ordering Code

3711630

CPT-4 Code(s)

82397

Specimen Information

Collect

Serum separator tube (SST)

Specimen Preparation

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

Alternate Specimen

Serum: Red top

Minimum Volume

0.2 mL

Transport Temperature

Refrigerated

Rejection Criteria

Grossly icteric samples, moderate or gross hemolysis

Stability

Room temperature: 8 hours
Refrigerated: 14 days
Frozen: 35 days

Methodology

Electrochemiluminescence
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Reference Range

Pediatric Male and Female:
5 - 9.9 years 0.6 - 16.8 ng/mL
10 - 13.9 years 1.4 - 16.5 ng/mL
14 - 17.9 years 0.6 - 24.9 ng/mL

Adult lean subjects (18 - 71 years) with BMI range of 18 - 25:
Male 0.3 - 13.4 ng/mL
Female 4.7 - 23.7 ng/mL

Adult subjects (19 - 60 years) with BMI range of 25 - 30
Male 1.8 - 19.9 ng/mL
Female 8.0 - 38.9 ng/mL
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Performing Laboratory

Quest SJC
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