Above the range
Common causes of a high Valproic Acid Level
- Excess dosing
- Liver disease
- Drug interactions
Looking for the other direction? See what causes a low Valproic Acid Level.
All tests · Therapeutic Drug Levels · Valproic Acid Level
Above the range
What causes a high Valproic Acid Level?
Normal range 50-100 µg/mL (347-693 µmol/L SI). Specimen: Serum (trough). See the full Valproic Acid Level reference page for critical values and nursing considerations.
What is the normal range for Valproic Acid Level?
The standard teaching reference range for Valproic Acid Level is 50-100 µg/mL in conventional units, or 347-693 µmol/L in SI units. This value is measured in serum (trough).
| Specimen | Serum (trough) |
|---|---|
| Conventional range | 50-100 µg/mL |
| SI range | 347-693 µmol/L |
| Critical value | > 100-150 µg/mL (sedation, tremor) |
| Panel | Therapeutic Drug Levels |
Full details, including nursing considerations, on the Valproic Acid Level normal range page. Reference ranges vary by laboratory, method, age, sex, and population - always use the range printed on the actual result.
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