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Serum/plasma Valproate Concentration (Pharmacokinetic)

Published: August 9, 2026Updated: August 16, 2026

This test measures the amount of valproate (valproic acid) in your blood. Valproate is a medication used to control seizures and manage certain mental health conditions.

Quick summary

["Valproate levels help doctors check if your dose is working safely and adjust it as needed."]

Medically reviewed by WellAlly Editorial TeamLast reviewed August 16, 2026Editorial policy

Key facts at a glance

LOINC
73088-7
Short code
Valsartan ind plt IgG SerPl Ql FC
Synonyms
Valsartan ind plt IgG SerPl Ql FC
Category
hematology
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
flow-cytometry
CPT
82784
Specimen volume
5 mL
Stability
Room temperature: 4h, Refrigerated: 24h, Frozen: 7d
Hemolysis max
500
Lipemia max
1000
Icterus max
500
TAT
4–24 hours
Order
routine

Why This Test Matters

Valproate is prescribed to manage conditions like epilepsy, bipolar disorder, or migraines. Your doctor may order this test to ensure you’re taking the right amount of medication and to monitor for potential side effects or toxicity.

What to Expect Before the Test

No special preparation is usually needed. You may have a small needle inserted into your arm or vein to draw blood. If you’re on valproate, your doctor will confirm this before scheduling the test.

What the Results Mean

Results help your healthcare provider determine if your medication levels are within a safe range. Too little valproate may mean your symptoms aren’t controlled, while too much could pose risks.

Common Conditions Monitored

This test is most commonly used in patients taking valproate for epilepsy, bipolar disorder, or other neurological conditions. It’s also used in children and adults who require long-term medication management.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance

Short name

Valproic Acid Level

Frequently asked questions

How often should I get this test?
Your doctor will decide the timing based on your medication schedule and symptoms. Typically, blood levels may be checked every few weeks or months, especially if you’re new to valproate or adjusting your dose.
Can I eat or drink before this test?
You can usually eat and drink normally unless your doctor specifies otherwise. Some tests may require fasting, but valproate blood tests generally do not.
What are the risks of this test?
The main risk is a minor bruise or discomfort from the needle. Rarely, blood tests can cause infection or allergic reactions, but these are uncommon.
  1. 1
    MedlinePlus — Laboratory TestsSource
  2. 2
    Lab Tests OnlineSource
  3. 3
    Mayo Clinic — Tests & ProceduresSource

Click any link to access the full source. PubMed Central (PMC) links provide free full-text access.

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 16, 2026. · Read our editorial policy