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.
Therapeutic concentration: 4.0-12.0 mcg/mL
Toxic concentration: > or =15.0 mcg/mL
Therapeutic concentration: 0.4-4.0 mcg/mL
Toxic concentration: > or =8.0 mcg/mL
Therapeutic concentration: 1.0-3.0 mcg/mL
Toxic concentration: > or =4.0 mcg/mL