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Test ID: FRVAL

Valproic Acid – Free and Total, Serum/Plasma

Test Overview

Method

Fluorescence-polarization immunoassay (FPIA)

Result Included

Valproic Acid - Free; Valproic Acid - Total

Specimen

Specimen Type

Avoid gel separator tubes
Serum
Plasma (Heparin)

Volume

Sample Volume

1 mL

Specimen Comment

Avoid gel separator tubes.

Stability

Refrigerated Frozen
3 days 6 months

Performance & Interpretation

Turnaround Time

3 days

Results

Name
Units
Reference Range
Conversion
  1. Valproic Acid - Free
    µmol/L
    35 - 70
    mg/L x 6.93
  2. Valproic Acid - Total
    µmol/L
    350 - 700
    Toxic: >1400
    mg/L x 6.93

Referral Location

Canada

Test Version

Last Updated

2024-09-13