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Valproic Acid – Free and Total, Serum/Plasma

Test ID: FRVAL

Test

Method

FPIA

Report Includes

Valproic Acid - Free; Valproic Acid - Total

Specimens

Avoid gel separator tubes; Serum; Plasma (Heparin)

Test Location

Hospital for Sick Children, 555 University Avenue, Toronto ON M5G 1X8

Test Version

13-Sep-2024

Specimen

Specimens

Avoid gel separator tubes; Serum; Plasma (Heparin)

Sample Volume

1 mL

Specimen Comment

Avoid gel separator tubes.

Stability

Refrigerated 3 days
Frozen 6 months

Test Version

13-Sep-2024

Performance / Interpretation

Method

FPIA

Turnaround Time

3 days

Results

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

Test Location

Hospital for Sick Children, 555 University Avenue, Toronto ON M5G 1X8

Test Version

13-Sep-2024

Interface / Setup

Test Version

13-Sep-2024