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HelpOrderable Name ETX Ethosuximide, Serum
Additional Codes
CNE Order Code: Ethosuximide
Specimen Required
Supplies: Sarstedt Aliquot Tube, 5 mL (T914)
Collection Container/Tube:
Preferred: Serum gel
Acceptable: Red top
Submission Container/Tube: Plastic vial
Specimen Volume: 0.5 mL
Collection Instructions:
1. Serum gel tubes should be centrifuged within 2 hours of collection.
2. Red-top tubes should be centrifuged and the serum aliquoted into a plastic vial within 2 hours of collection.
Useful For
Monitoring ethosuximide therapy
Determining compliance
Assessing ethosuximide toxicity
Method Name
Enzyme-Multiplied Immunoassay Technique (EMIT)
Specimen Type
SerumSpecimen Minimum Volume
0.25 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Serum | Refrigerated (preferred) | 14 days | |
| Frozen | 28 days | ||
| Ambient | 14 days |
Reject Due To
| Gross hemolysis | Reject |
Reference Values
Therapeutic: 40-100 mcg/mL
Critical value: >150 mcg/mL
Day(s) Performed
Monday through Saturday
Report Available
Same day/1 dayCPT Code Information
80168
Forms
If not ordering electronically, complete, print, and send 1 of the following forms with the specimen:
-Therapeutics Test Request (T831)