Clinical Significance: Ritalinic acid is the metabolite of methylphenidate which is a psychostimulant.
Tested in both urine and oral fluid
Drug Class
Stimulants
Metabolite(s)
None
Aliases
Metabolite of Methylphenidate
Methodology
Liquid Chromatography Mass Spectrometry
Urine Recommended Volume
30mL
Oral Fluid Minimum Volume
1mL
Specimen Stability
15 days
Urine Reportable Range
20-400
Oral Fluid Reportable Range
12-300
Urine Immunoassay Cutoff (ng/mL)
N/A
Urine Window of Detection
3-4 days
Oral Fluid Window of Detection
<24 hours
Rejection Criteria
Quantity Not Sufficient or Wrong Collection Device (Oral Fluid)
Urine Transient Contanier
Urine Clinical Drug Test Transport Cup
Oral Fluid Transient Contanier
Oral Fluid Intercept 2.0 Devices