Test Details

Mnemonic

T3

Ordering Code

1011000

CPT-4 Code(s)

84480

Specimen Information

Collect

SST
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Specimen Preparation

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

Serum: Red-top
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Minimum Volume

0.4 mL
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Transport Temperature

Refrigerated
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Rejection Criteria

Grossly hemolyzed or grossly lipemic specimens. Plasma
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Stability

Room temperature: 8 hours
Refrigerated: 72 hours
Frozen: 14 days
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Methodology

Chemiluminescence
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Reference Range

Age Reference range
1 - 23 months 117 - 239 ng/dL
24 months (2 years) - 12 years 105 - 207 ng/dL
13 years - 20 years 86 - 192 ng/dL
21 years and above 60 - 181 ng/dL
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Performing Laboratory

Warde Medical Laboratory
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