Anti Diuretic Hormone (ADH) Test
- Category
- Hormones
- Sample
- Blood sample taken from a vein in your arm
- Reports () Terms & Conditions Report time varies with time of sample collection.
- In 5 days
- Fasting
- No Fasting
- Age
- All Ages
Measures antidiuretic hormone (ADH, vasopressin), which controls how much water the kidneys keep.
Helps find the cause of low sodium (e.g., SIADH) or of passing large volumes of dilute urine (diabetes insipidus).
Symptoms suggesting hormonal imbalance — weight change, fatigue, BP changes, growth problems — usually as advised by a doctor.
No fasting needed.
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Yes. It is collected in a chilled tube and processed quickly because ADH is unstable.
No fasting is needed. You can eat and drink normally unless your doctor has advised otherwise.
Blood sample taken from a vein in your arm.
Usually within 3–4 days after the sample reaches the lab. You will receive the report online.