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Test ID BLOD0025 Ethosuximide, Serum

Useful For

Monitoring ethosuximide therapy

 

Determining compliance

 

Assessing ethosuximide toxicity

Specimen Type

Serum


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.


Specimen Minimum Volume

0.25 mL

Reject Due To

Gross hemolysis Reject

Specimen Stability Information

Specimen Type Temperature Time
Serum Refrigerated (preferred) 14 days
  Frozen  28 days
  Ambient  14 days

Day(s) Performed

Monday through Saturday

Report Available

Same day/1 day

Method Name

Enzyme-Multiplied Immunoassay Technique (EMIT)

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Secondary ID

8769

CPT Code Information

80168

Reporting Name

Ethosuximide, S

Reference Values

Therapeutic: 40-100 mcg/mL

Critical value: >150 mcg/mL

Test Classification

This test has been modified from the manufacturer's instructions. Its performance characteristics were determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the US Food and Drug Administration.

Forms

If not ordering electronically, complete, print, and send 1 of the following forms with the specimen:

-Therapeutics Test Request (T831)

-Neurology Specialty Testing Client Test Request (T732)

Sanford Laboratories - Fargo Additional Information:

SANFORD LABORATORY INTERFACE BUILD INFORMATION

 Result Code     Result Code Description   
 1523     Ethosuximide