Test Details
Methodology
Liquid chromatography/tandem mass spectrometry (LC/MS-MS)
Test Includes
Methylphenidate and ritalinic acid
Use
This test is used to detect the presence of methylphenidate, a prescription stimulant drug.
Limitations
This test was developed and its performance characteristics determined by Labcorp. It has not been cleared or approved by the Food and Drug Administration.
Specimen Requirements
Specimen
Urine (random)
Volume
10 mL
Minimum Volume
1 mL
Container
Plastic urine container without preservative
Storage Instructions
Submission/transport (<3 days): Room temperature. For storage beyond three days, specimen should be refrigerated or frozen.
Causes for Rejection
Urine from preservative tube
LOINC® Map
| Order Code | Order Code Name | Order Loinc | Result Code | Result Code Name | UofM | Result LOINC |
|---|---|---|---|---|---|---|
| 701622 | Methylphenidate + Mtb, QL, Ur | 701624 | Methylphenidate | 3809-1 | ||
| 701622 | Methylphenidate + Mtb, QL, Ur | 701625 | Ritalinic Acid | 33507-5 | ||
| Order Code | 701622 | |||||
| Order Code Name | Methylphenidate + Mtb, QL, Ur | |||||
| Order Loinc | ||||||
| Result Code | 701624 | |||||
| Result Code Name | Methylphenidate | |||||
| UofM | ||||||
| Result LOINC | 3809-1 | |||||
| Order Code | 701622 | |||||
| Order Code Name | Methylphenidate + Mtb, QL, Ur | |||||
| Order Loinc | ||||||
| Result Code | 701625 | |||||
| Result Code Name | Ritalinic Acid | |||||
| UofM | ||||||
| Result LOINC | 33507-5 |