Topiramate (Topamax)

Phlebotomy Requirements

Record sample date and time. State the date, time, and size of last dose.

Collection

Hospital or GP.

Sample container

7.5ML Brown Top

Preservative

Serum

Site

All Colchester & Ipswich samples: Chalfont, TAT: 3d.

Notes

Non-fasting. The ideal sampling time is immediately before the next dose.

Latest news

More news

20/10/2025

Important Update: HLA-B27

HLA-B27 Testing 20th October 2025 Further to communications last month we have continued to experience supply chain issues. We are now changing our methodology to one that requires DNA extraction prior to testing for HLA-B27. Due to this change we will be restricting the tube types that we can receive; any others received are likely to […]