Reference Values Describes reference intervals and additional information for interpretation of test results. May include intervals based on age and sex when appropriate. Intervals are Mayo-derived, unless otherwise designated. If an interpretive report is provided, the reference value field will state this.
Reporting limit determined each analysis
Steady state peak plasma levels from patients on a 250 mg twice daily regimen: 0.22 – 2.1 mcg/mL (mean of 0.99) at 2 hours post dose.