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HelpTapentadol and Metabolite, Random, Urine
Specimen Type
UrineOrdering Guidance
Additional Testing Requirements
If urine creatinine is required or adulteration of the sample is suspected, order ADULT / Adulterants Survey, Random, Urine in addition to this test.
Specimen Required
Supplies: Sarstedt Aliquot Tube, 5 mL (T914)
Collection Container/Tube: Plastic urine container
Submission Container/Tube: Plastic vial
Specimen Volume: 1 mL
Collection Instructions:
1. Collect a random urine specimen.
2. No preservative.
Additional Information:
1. No specimen substitutions.
2. STAT requests are not accepted for this test.
3. Submitting less than 1 mL will compromise our ability to perform all necessary testing.
Specimen Minimum Volume
0.5 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Urine | Refrigerated (preferred) | 14 days |
| Ambient | 14 days | |
| Frozen | 14 days |
Reference Values
Negative (Positive result is reported with a quantitative result.)
Cutoff concentrations by liquid chromatography tandem mass spectrometry:
Tapentadol: 25 ng/mL
N-desmethyltapentadol: 25ng/mL; reported qualitatively (Present or Negative)
Day(s) Performed
Tuesday, Thursday
Report Available
2 to 6 daysSpecimen Retention Time
14 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
G0480
80372 (if appropriate for select payers)
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| TAPEN | Tapentadol and Metabolite, U | 101401-8 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 35916 | Tapentadol | 65807-0 |
| 35917 | N-desmethyltapentadol | 65808-8 |
Forms
If not ordering electronically, complete, print, and send a Therapeutics Test Request (T831) with the specimen.