Topiramate, Plasma/Serum (Topamax Topimax)

Department

Toxicology

Delphic Registration Code

TOPI

Synonyms

Topamax

Turnaround Time

7 days

Test Code

4761

Specimen Type

• Serum
• Plasma

Specimen Requirements

Tube/Container Type:

Preferred

• Serum (Red Cap)

Acceptable

• Lithium Heparin - Non-gel (Green Cap)

Preferred Sample Volume (ml)

4.0

No of Samples Required

1

Paediatric Specimen Requirements

Tube/Container Type:

Preferred

• Serum (Red Cap)

Preferred Sample Volume (ml)

0.5

Additional Specimen Information

Do NOT use gel tubes

Aliquot Instructions

Sample Type

• Serum
• Plasma

Minimum Volume (ml)

0.5

Transport to Lab

Chilled (2 - 8 degrees Celsius)
If overnight - Chilled (2 - 8 degrees Celsius)

Additional Referral/Aliquot Information

Do NOT use gel tubes

Interpretation

The standard half-life of topiramate is 21 hours, with time to steady-state of 5 days.

Reference Intervals

Refer to Toxicology

Test Method

Immunoassay

Non-Funded Test Cost

$211.84 (Exclusive of GST)

Billing Code

4761

Contact Information

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