Test Details

Mnemonic

TESM

Ordering Code

3000169

CPT-4 Code(s)

84403

Specimen Information

Collect

Red top

Specimen Preparation

Centrifuge, separate serum from cells within 2 hours of collection and send 1.0 mL serum refrigerated in a screw capped plastic vial.

Minimum Volume

0.5 mL

Transport Temperature

Refrigerate

Rejection Criteria

Serum separator tube (SST), plasma, grossly lipemic, grossly hemolyzed, past stability.

Stability

Room temperature: 8 hours
Refrigerated: 7 days
Frozen: 2 months

Methodology

Liquid Chromatography - Tandem Mass Spectrometry
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Reference Range

Age Males (ng/dL) Females (ng/dL)
1-5 years ≤5 ≤8
6-7 years ≤25 ≤20
8-10 years ≤42 ≤35
11 years ≤260 ≤40
12-13 years ≤420 ≤40
14-17.9 years ≤1000 ≤40
≥18 years 250-1100 2-45
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Performing Laboratory

Warde Medical Laboratory
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