Protriptyline, Serum/Plasma




Test Mnemonic

PROTRI

CPT Codes

  • 80335 - QTY (1)

LOINC ®

3999-0

Aliases

  • Triptil
  • Vivactil

Performing Laboratory

ARUP


Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
1 mLSerumNo additive (Red) RefrigeratedDo not use gel separator tubes. Predose (trough) draw. Separate serum from cells within 2 hours of collection and transfer to standard aliquot tube.

Alternate Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
1 mLPlasmaEDTA (Lavender) RefrigeratedDo not use gel separator tubes. Predose (trough) draw. Separate plasma from cells within 2 hours of collection and transfer to standard aliquot tube.

Minimum Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
0.5 mL     

Stability

Environmental Condition Description
AmbientAfter separation from cells: 5 days
RefrigeratedAfter separation from cells: 2 weeks
FrozenAfter separation from cells: 6 months

Days Performed

Fri

Turnaround Time

3 - 9 days

Methodology

Name Description
Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS) 

Reference Range

Protriptyline
Sex Age From Age To Type Range Range Unit
   Years99 YearsNormal70 - 240ng/mL
   Years99 YearsUrgent> 400ng/mL

Special Info

Specimen should be collected prior to next dose - at steady state concentration. This test is New York DOH approved.