Test Details
Mnemonic
TADSP
Ordering Code
1750455
CPT-4 Code(s)
80337 (G0480)
Specimen Information
Collect
Red top
Specimen Preparation
Centrifuge, separate serum from cells and send 1.0 mL serum in a screw capped plastic vial.
Minimum Volume
0.5 mL
Transport Temperature
Refrigerated
Rejection Criteria
Serum separator tube (SST)
Stability
Room temperature: 48 hours
Refrigerated: 14 days
Frozen: 14 days
Refrigerated: 14 days
Frozen: 14 days
Methodology
High Performance Liquid Chromatography
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
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
Performing Laboratory
Warde Medical Laboratory
New York DOH Approval Status
No