Sign in →

Fentanyl, Urine, Presumptive

Important Note

All positive results will be followed up with confirmation testing

Methodology

ARK Fentanyl: homogenous enzyme immunoassay

Specimen Requirements

Urine

Specimen Transport Temperature

  • Cap the urine sample immediately after collection, store refrigerated at 2-8°C (36–46°F) and assay within 7 days after collection. If the assay cannot be performed within 7 days, store the urine sample frozen at -20°C for up to 6 months prior to analysis.
  • To protect the integrity of the sample, do not induce foaming and avoid repeated freezing and thawing.

Reference Values

Negative 

Day(s) Test Set Up

All

Test Classification and CPT Coding

80307