Ethosuximide Drug Level
| Label Mnemonic: | ETHOS |
| Epic code: | LAB3093 |
| Downtime form: | A-1a Doctor/Provider Orders - Pathology Core and Specialty Care Nursery |
Commercial Mailout Laboratory
6240-8 RCP
356-8593
6240-8 RCP
356-8593
Specimen(s):
Serum
Collection Medium:
 |
| Red top tube 5 mL (Clot Activator) |
Minimum:
Preferred Minimum: 1.0 mL of serum
Absolute Minimum: 0.5 mL serum
Patient Preparation
Timing of specimen collection: Pre-dose (trough) draw - At steady state concentration.
Absolute Minimum: 0.5 mL serum
Patient Preparation
Timing of specimen collection: Pre-dose (trough) draw - At steady state concentration.
Rejection Criteria:
Whole blood. Gel separator tubes, light blue (citrate), or yellow (SPS
or ACD solution).
Turn Around
Time:
1-5 days upon receipt at reference laboratory
Reference Range:
40-100 μg/mL
Toxic: >150 μg/mL
Toxic: >150 μg/mL
Interpretive Data:
The therapeutic range is based on serum pre-dose (trough) draw at
steady-state concentration. Toxic concentrations may cause dizziness,
drowsiness and anorexia. The incidence of adverse reactions is low;
however, life-threatening agranulocytosis and fatal pancytopenia have
been reported.
Methodology:
Quantitative Enzyme ImmunoAssay
CPT Code:
80168