Anti Diuretic Hormone (ADH) (Vasopressin)
Measures the level of antidiuretic hormone (ADH) in plasma, which regulates water balance in the body. It helps diagnose conditions related to fluid retention, dehydration, and disorders such as diabetes insipidus. Abnormal levels indicate potential kidney or pituitary issues.
Overview of Anti Diuretic Hormone (ADH) (Vasopressin)
The Anti-Diuretic Hormone (ADH/Vasopressin), Plasma test measures the level of antidiuretic hormone in the blood. ADH, also known as vasopressin, is produced by the hypothalamus and released by the pituitary gland. It helps regulate the body’s water balance by controlling how much water the kidneys reabsorb. Measuring ADH levels can aid in the evaluation of conditions associated with excessive thirst, frequent urination, abnormal sodium levels, or disorders affecting fluid balance.
Who Should Get This Test Done?
This test may be recommended for:
● Individuals with excessive thirst and frequent urination suggestive of a water balance disorder.
● Patients being evaluated for suspected diabetes insipidus or syndrome of inappropriate antidiuretic hormone secretion (SIADH).
● Individuals with unexplained low or high blood sodium levels.
● Patients with suspected disorders affecting the hypothalamus or pituitary gland.
● Individuals whose healthcare provider recommends further evaluation of fluid and electrolyte imbalance.
Why Consider This Test?
This test:
● Helps assess the body’s regulation of water balance.
● Supports the diagnosis of disorders related to abnormal ADH secretion.
● Assists in evaluating unexplained electrolyte abnormalities, especially sodium imbalance.
● Provides additional information when investigating pituitary or hypothalamic disorders.
● Can help differentiate between conditions with similar symptoms, such as excessive thirst and urination.
More Information
ADH plays a key role in maintaining the body’s fluid balance by reducing the amount of water lost in urine. Its secretion changes in response to blood osmolality, hydration status, and blood pressure. Since several factors can influence ADH levels, this test is often interpreted along with serum and urine osmolality, electrolyte levels, and the patient’s clinical history. In some cases, it may also be used alongside other endocrine or dynamic function tests for a more comprehensive evaluation.
Other Names
● Vasopressin, Plasma
● Antidiuretic Hormone (ADH) Test
● Plasma ADH Test
● Arginine Vasopressin (AVP), Plasma
● Plasma Vasopressin Assay
Test included
- Adh-anti Diuretic Hormone (vasopressin) (plasma,elisa)
Doctor information
Test code
8718
CPT and Loinc codes
Department
- Local Send Out
Turn around time
10 Working Days
Test run frequency
Daily TIME - 09:00
Performing locations
2 labs across India
Specimen vol. and vacutainer information
| Specimen | Vacutainer | Volume |
|---|---|---|
| Plasma Edta | Lavender Vacutainer | 2 ML |
Specimen stability information
Plasma Edta
Package price
₹6000
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