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Individual test · Labcorp 010447

Antidiuretic Hormone (ADH), Plasma

This test measures the level of antidiuretic hormone (ADH) in your blood, a chemical that helps your kidneys manage the amount of water in your body. It is useful for investigating the cause of excessive thirst, frequent urination, or low sodium levels by showing how well your body controls fluid balance. Results help doctors distinguish between different types of water disorders, such as diabetes insipidus. However, because ADH levels fluctuate quickly, this test does not provide a standalone diagnosis and must be compared with urine and blood concentration tests.

How ordering works

  1. 1

    Review the order and pay on Picardo. Your account is set up as you check out.

  2. 2

    A licensed physician reviews the order and decides whether to authorize it.

  3. 3

    Give blood at a Labcorp location, or book an at-home draw for $75.00.

  4. 4

    Your results arrive in your Picardo account.

For adults 18+ in the US. Lab orders aren’t available in New York, New Jersey, Rhode Island, Pennsylvania, Maryland, Massachusetts, Hawaii or Maine.