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HelpTest Code LAB90901 Fentanyl, Serum
Additional Codes
FENTS
47606
Reporting Name
Fentanyl and Metabolites, SUseful For
Monitoring fentanyl therapy
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Specimen Type
Serum RedSpecimen Required
Supplies: Sarstedt Aliquot Tube 5 mL (T914)
Collection Container/Tube: Red top (Serum gel/SST are not acceptable)
Submission Container/Tube: Plastic vial
Specimen Volume: 2.3 mL
Collection Instructions: Within 2 hours of collection, centrifuge and aliquot serum into a plastic vial.
Specimen Minimum Volume
1.25 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Serum Red | Frozen (preferred) | 28 days | |
| Refrigerated | 14 days | ||
| Ambient | 72 hours |
Reference Values
Not applicable
Day(s) Performed
Tuesday, Thursday
Test Classification
This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.CPT Code Information
80354
G0480 (if appropriate)
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| FENTS | Fentanyl and Metabolites, S | 81275-0 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 31829 | Norfentanyl | 11074-2 |
| 31830 | Fentanyl | 3636-8 |
| 31832 | Chain of Custody | 77202-0 |
Report Available
2 to 7 daysMethod Name
Liquid Chromatography Tandem Mass Spectrometry (LC-MS/MS)
Forms
If not ordering electronically, complete, print, and send a Therapeutics Test Request (T831) with the specimen.