Test Details
Methodology
Chromatography with Mass Spectrometry
Result Turnaround Time
7 - 10 days
Turnaround time is defined as the usual number of days from the date of pickup of a specimen for testing to when the result is released to the ordering provider. In some cases, additional time should be allowed for additional confirmatory or additional reflex tests. Testing schedules may vary.
Use
Detect the presence of phentermine, a prescription stimulant
Specimen Requirements
Specimen
Serum, plasma, or whole blood
Volume
5 mL
Minimum Volume
2 mL
Container
Serum: Red-top tube or green-top (heparin) tube, gel-barrier tubes are not recommended. Whole blood: Lavender-top (EDTA) tube, gray-top (sodium fluoride) tube, or green-top (heparin) tube
Collection Instructions
Serum or plasma should be separated from cells within two hours of venipuncture. Submit serum or plasma in a plastic transport tube.
Storage Instructions
Submission/transport (<3 days): Room temperature. For storage beyond three days, specimen should be refrigerated or frozen.
Causes for Rejection
Gel-barrier tubes
LOINC® Map
| Order Code | Order Code Name | Order Loinc | Result Code | Result Code Name | UofM | Result LOINC |
|---|---|---|---|---|---|---|
| 790354 | Phentermine (Ionamin) | 808539 | Phentermine | ng/ml | 3956-0 | |
| Order Code | 790354 | |||||
| Order Code Name | Phentermine (Ionamin) | |||||
| Order Loinc | ||||||
| Result Code | 808539 | |||||
| Result Code Name | Phentermine | |||||
| UofM | ng/ml | |||||
| Result LOINC | 3956-0 |