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Valproate Level

Sodium Valproate Valproic Acid Level
Serum (SST, trough pre-dose) mg/L

About this test

Broad-spectrum antiepileptic and mood stabiliser. Hepatotoxic and teratogenic. Monitor LFTs alongside levels.

Reference Ranges

Sex Age Range Notes
All ≥ 18 yrs 50 – 100 Trough therapeutic range

Clinical Interpretation

Low / Decreased
Subtherapeutic.
High / Increased
Toxicity — tremor, encephalopathy, hyperammonaemia (check ammonia), hepatotoxicity.

Related Tests

Creatinine Ammonia
Specimen
Serum (SST, trough pre-dose)
Reporting Unit
mg/L
Category
🧪 Clinical Biochemistry

⚠ Clinical Note
Reference ranges are indicative. Always interpret results in the context of the individual patient and local laboratory reference intervals, which may vary.