Mexiletine (Blood)

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Testing Laboratory

Auckland Te Toka Tumai | Auckland Hospital

Department

Chemical Pathology

Delphic Registration Code (Alpha Code)

MEX

Test Code (Numeric Code)

3029

Laboratory Handling

Transport

If sending within Auckland then sample can be sent refrigerated (2-8°C) or at ambient temperature (8-24°C).
If sending from outside Auckland then send sample refrigerated (2-8°C).

Separating

Centrifuge and separate blood as soon as possible after collection
Store at 4°C

Laboratory

LabPLUS High Performance Liquid Chromatography

Sample Stability

Refrigerated: at least 1 week

Synonyms

Mexiletine

Turnaround Time

3 days

TAT: Between 1 day and 3 days
Note: Turnaround time is dependant on the time of arrival.

Specimen Type

  • Serum

Specimen Requirements

Tube/Container Type:

Preferred
  • Plain (Red Top)
Acceptable
  • Lithium Heparin - Non-gel (Green Cap)
Preferred Sample Volume (ml)

4

Paediatric Specimen Requirements

Tube/Container Type:

Preferred
  • Plain(Microtainer)
Preferred Sample Volume (ml)

0.5

Additional Specimen Information

Tubes containing gel (SST and PST) are NOT acceptable

Last updated: 25/08/2026