Test Details

Mnemonic

TADSP

Ordering Code

1750455

CPT-4 Code(s)

80337 (G0480)

Specimen Information

Collect

Red-top
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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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Minimum Volume

0.5 mL
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Transport Temperature

Refrigerated
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Rejection Criteria

SST
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Stability

Room temperature: 48 hours
Refrigerated: 14 days
Frozen: 14 days
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Methodology

High Performance Liquid Chromatography
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Reference Range

Drug - Reference Range - Toxic Level
Amitriptyline - NA - >500 ng/mL
Nortriptyline - 50 - 140 ng/mL - >500 ng/mL
Amit & Nort - 90 - 250 ng/mL - >500 ng/mL
Imipramine - NA - NA
Desipramine - 150-300 ng/mL - >500 ng/mL
Imip & Desi - 150 - 300 ng/mL - >500 ng/mL
Doxepin - NA - >500 ng/mL
Nordoxepin - NA - >500 ng/mL
Doxepin & Nordoxepin - 100 - 200 ng/mL - >500 ng/mL
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Performing Laboratory

Warde Medical Laboratory
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