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HelpTest Code LAB91919 Rufinamide, Serum
Additional Codes
RUFI
Useful For
Monitoring serum rufinamide concentrations, assessing compliance, and adjusting dosage in patients receiving other drugs that interact pharmacokinetically with rufinamide (ie, drugs that induce liver CYP3A4 enzymes) and may be helpful in those who are receiving hemodialysis
Method Name
Liquid Chromatography Tandem Mass Spectrometry (LC-MS/MS)
Reporting Name
Rufinamide, SSpecimen Type
SerumSpecimen Required
Supplies: Sarstedt Aliquot Tube, 5 mL (T914)
Collection Container/Tube:
Preferred: Red top
Acceptable: Serum gel
Submission Container/Tube: Plastic vial
Specimen Volume: 1 mL
Collection Instructions:
1. Collect blood immediately before next scheduled dose.
2. For sustained-release formulations ONLY, collect blood a minimum of 12 hours after last dose.
3. Centrifuge and aliquot serum into plastic vial within 2 hours of collection.
Specimen Minimum Volume
0.5 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Serum | Refrigerated (preferred) | 28 days | |
| Ambient | 28 days | ||
| Frozen | 28 days |
Reference Values
5.0-30.0 mcg/mL
Day(s) Performed
Tuesday, Thursday, Saturday
Report Available
3 to 5 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
Test Classification
This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.CPT Code Information
80210
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| RUFI | Rufinamide, S | 59323-6 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 63030 | Rufinamide, S | 59323-6 |
Forms
If not ordering electronically, complete, print, and send a Therapeutics Test Request (T831) with the specimen.