Test Overview
Test Methodology

Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS)

Reference Range *

50 - 170 ng/mL, critical: 500 ng/mL.

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Test Details
Days Set Up
Daily
Analytic Time

3 - 8 days

Soft Order Code
PROTR
MiChart Code
Protriptyline (Vivactyl) Level
Synonyms
  • Vivactyl
  • Tricyclics, Protriptyline
  • PROTR
  • PROTRIPTYLINE, PLASMA OR SERUM
Laboratory
Sendout
Reference Laboratory
Mayo PROTR (9797) (MedTox 110)
Section
Special Testing
Specimen Requirements
Collection Instructions

Collect specimen in a red top or green top tube; do not use SST tube. Centrifuge, aliquot serum or plasma into a plastic vial and refrigerate.

Normal Volume
2 mL serum or plasma
Minimum Volume
0.5 mL serum or plasma
Rejection Criteria
SST or PST tube not acceptable.
Additional Information

Test sent to Mayo Medical Laboratories; performed by MedTox Laboratories.

Billing
CPT Code
80335
Fee Code
32116