Test Overview
Test Methodology

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

Reference Range *

4.0 - 40.0 ng/mL; critical value: 50.0 ng/mL. Low-dose therapeutic range: 1.0 - 2.25 ng/mL.

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

Test Limitations

Reporting Limit: 0.2 ng/mL.

Test Details
Soft Order Code
MMLR
Synonyms
  • Stelazine
  • TFLP
  • TRIFLUOPERAZINE, SERUM
Laboratory
Sendout
Reference Laboratory
Mayo Wild 80 (ZW80) (MedTox 126)
Section
Special Testing
Specimen Requirements
Collection Instructions

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

Special Handling

Protect specimen from light.

Normal Volume
3 mL serum or heparinized plasma
Minimum Volume
0.6 mL serum or heparinized plasma
Storage Temperature
Refrigerated or frozen
Additional Information

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

Billing
CPT Code
80342
Fee Code
22108