METHYLPHENIDATE AND METABOLITE QUANTITATION RITALIN URINE

General Information

HLAB/HOL Code: RTLNM
UPHSM LIS Test #: 4894
Schedule: Monday, Friday
Testing Time: 3 days
Testing Lab: National Medical Services

Specimen Info
Only 1 specimen type required, unless otherwise specified

Volume: 1.0 mL
Temperature: Frozen
Tube Type: 1 10 mL Urine container
Collection Info:
Specimen should be collected 1 to 6 hours post dose. Freeze and ship frozen. It is very important to keep specimen frozen.

Methods

HPLC/MS/MS

Clinical Utilities

Therapeutic Drug Monitoring

CPT Codes

83789

* The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding
is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

Reference Range

See report

Component Info

Name: METHYLPHENIDATE
Method: HPLC/MS/MS
CPT Code:
Ref Range: 100-900 ng/mL in the 8 hours following a 25 mg oral dose to adults. Concentrationsas high as 3300 ng Methylphenidate/mLhave been reported in the 6 hour urineof children following a 10 mg dose.
Comp Units: ng/mL
Name: RITALINIC ACID
Method: /MS
CPT Code:
Ref Range: Components as high as 64,000 ng RitalinicAcid/mL have been reported in the 6 hoururine in children following a 10 mgMethylphenidate dose.
Comp Units: ng/mL