Test Overview
Test Methodology

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

Test Usage

Monitoring of fentanyl therapy.

Test Details
Days Set Up
Monday, Wednesday
Analytic Time

3 - 8 days

Soft Order Code
FENTS
MiChart Code
Fentanyl (Sublimaze), Level
Synonyms
  • FENTS
  • Fentanyl and Metabolite, Serum
  • Sublimaze
  • Innovar
Laboratory
Sendout
Reference Laboratory
Mayo FENTS (8965)
Section
Special Testing
Specimen Requirements
Collection Instructions

Collect specimen in red top tube; do not use SST tube. Centrifuge, aliquot serum into a plastic vial and freeze within 2 hours of collection.

Normal Volume
2.3 mL serum
Rejection Criteria
SST tube not acceptable.
Additional Information

Test sent to Mayo Clinic Laboratories.

Billing
CPT Code
80354
Fee Code
21581
NY State Approved
No