Test Details
Methodology
Liquid chromatography/tandem mass spectrometry (LC/MS-MS)
Result Turnaround Time
5 - 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.
Test Includes
Methylphenidate; ritalinic acid
Use
Detect the presence of methylphenidate, a prescription stimulant drug
Specimen Requirements
Specimen
Urine (random)
Volume
10 mL
Minimum Volume
1 mL
Container
Plastic urine container without preservative
Storage Instructions
Freeze.
Causes for Rejection
Urine from preservative tube
LOINC® Map
| Order Code | Order Code Name | Order Loinc | Result Code | Result Code Name | UofM | Result LOINC |
|---|---|---|---|---|---|---|
| 791170 | Methylphenidate + Mtb, Urine | 791171 | Methylphenidate | ng/mL | 3809-1 | |
| 791170 | Methylphenidate + Mtb, Urine | 734594 | Ritalinic Acid | ng/mL | 33507-5 | |
| Order Code | 791170 | |||||
| Order Code Name | Methylphenidate + Mtb, Urine | |||||
| Order Loinc | ||||||
| Result Code | 791171 | |||||
| Result Code Name | Methylphenidate | |||||
| UofM | ng/mL | |||||
| Result LOINC | 3809-1 | |||||
| Order Code | 791170 | |||||
| Order Code Name | Methylphenidate + Mtb, Urine | |||||
| Order Loinc | ||||||
| Result Code | 734594 | |||||
| Result Code Name | Ritalinic Acid | |||||
| UofM | ng/mL | |||||
| Result LOINC | 33507-5 |