Celontin, ARUP #2011531, EPIC: LAB6101, SOFT: XMSX
Specimen Collection Criteria
Collect (preferred specimen): One plain Red-top tube.
Also acceptable: One Lavender-top EDTA tube.
Do not use Serum Separator Tubes.
Time of Collection: Trough, just prior to the next dose.
Physician Office/Drawsite Specimen Preparation
Centrifuge to separate serum or plasma from cells within two hours of collection. Transfer serum or plasma to a plastic transport tube and refrigerate (2-8°C or 36-46°F).
Preparation for Courier Transport
Transport: 1.0 mL serum or plasma, refrigerated (2-8°C or 36-46°F). (Min: 0.5 mL)
- Serum Separator (SST) tubes.
- Specimens not collected or processed as indicated.
Specimen Stability for Testing:
Room Temperature (20-26°C or 68-78.8°F): 5 days
Refrigerated (2-8°C or 36-46°F): 14 days
Frozen (-20°C/-4°F or below): 1 month
Specimen Storage in Department Prior to Disposal:
Specimen retention time is determined by the policy of the reference laboratory. Contact the Sendout Laboratory with any questions.
Sent to ARUP Laboratories, Salt Lake City, UT.
Results available the 2-6 days.
Methsuximide: Less than 1 mcg/mL.
Normethsuximide: 10-40 mcg/mL.
Total: 10-40 mcg/mL.
Toxic Total: Greater than 60 mcg/mL.
Quantitative Gas Chromatography / Mass Spectrometry.
Methsuximide is an anticonvulsant indicated for the control of absence (petit mal) seizures that are refractory to other drugs. The methsuximide assay is used to optimize dosage, monitor compliance, and assess toxicity. Normethsuximide is an active metabolite of methsuximide.
80339, (AH G0480).
ARUP #2011531, EPIC: LAB6101, SOFT: XMSX
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This directory currently reflects information only for specimens collected and/or processed at the Farmington Hills,
Grosse Pointe, Royal Oak, and Troy campuses.