Topiramate

Also listed as: Topiramate, Serum
Primary unit: ug/mL
LOINC codes: 17713-9
Tests that measure Topiramate: Labcorp 1, Quest Diagnostics 1

Ranges

Each lab publishes a reference range for the population groups it tests, usually the middle 95% of results. These intervals describe that population, not an optimal or healthy target. How ranges differ

Quest Diagnostics, Topiramate 30965

Dose (mg)	Peak (mcg/mL)	Trough (mcg/mL)
100	6.5-9.2	4.5-6.6
200	12.0-16.0	8.0-12.0
400	20.0-30.0	14.0-20.0

Quest Diagnostics test catalog, 30965

Tests

Check the catalog code, specimen, method and preparation for every test that measures Topiramate. Select up to five tests to compare them side by side.

Labcorp 1 test

Single-analyte tests

Topiramate, Serum or Plasma 716285
Serum · Fasting not stated · Turnaround 2 - 4 days
Method and collection
Method
Homogeneous Enzyme Immunoassay
Preparation
Collect samples immediately prior to next dose.
Collection
Separate serum from cells within 45 minutes of collection and transfer to a plastic transport tube. Separate plasma immediately and transfer to a plastic transport tube for shipment to the laboratory.
Reference notes
Therapeutic: 2.0−25.0 μg/mL
Labcorp catalog page

Quest Diagnostics 1 test

Single-analyte tests

Topiramate 30965
Serum · Fasting not stated · Turnaround Set up: Tues-Sat; Report available: 5 days
Method and collection
Method
Chromatography/Mass Spectrometry
Preparation
Draw at peak (2-4 hours after dose) or trough (0.5-1 hour before dose) at steady state
Collection
Draw at peak (2-4 hours after dose) or trough (0.5-1 hour before dose) at steady state.
Quest Diagnostics catalog page

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Sources

Labcorp test catalog
1 test: codes, specimens, methods, preparation and reference intervals.
Quest Diagnostics test catalog
1 test: codes, specimens, methods, preparation and reference intervals.
LOINC 17713-9
Regenstrief Institute codes that identify the same result across labs.
Search ClinicalTrials.gov for Topiramate
Registered studies that measure Topiramate, on the U.S. National Library of Medicine registry.

Verify these ranges and sources

We compile this page from named laboratory catalogs, guidelines and studies. Labs calculate reference intervals from the people they test, for one assay method and one population group, so an interval describes that population rather than an optimal target.

Interpret your own results with a licensed clinician, or track your lab history and health goals in Aumnivida.

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