Test Overview

Test Methodology


Test Usage

Paliperidone (9-hydroxyrisperidone) is the active ingredient in Invega extended-release tablets. Paliperidone is also the major active metabolite of Risperidone. Steady-state concentrations are typically attained within 4 to 5 days of dosing. Following daily administration of 12 mg extended release formulation, paliperidone steady state plasma concentrations ranged from 30 to 40 ng/mL.

Reference Range*

Reporting limit determined each analysis

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Test Details

Days Test Performed

Monday - Sunday

Analytic Time

8 - 12 days

Soft Order Code


MiChart Code




Laboratory Reference

Mayo FPALI (NMS Labs)

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Specimen Requirements

Offsite Collection Instructions

Collect specimen in a red top tube (NO SST). Spin and aliquot into a plastic, screw capped tube. Send to Specimen Processing refrigerated

Rejection Criteria

Specimen collected in anything but a red top tube


Yellow Top Tube

Normal Volume

1 mL serum

Minimum Volume

0.5 mL serum

Additional Information

Test sent to Mayo Clinic Labs; performed by NMS labs

Billing Information

Fee Codes

CPT Code


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