Osmolality measures the amount of dissolved substances (e.g., sodium, potassium) in blood and urine. An osmolality test and calculated osmolal gap help determine if someone has ingested a toxin or has a water imbalance.
Antidiuretic hormone (ADH) or arginine vasopressin (AVP) helps regulate water balance in the body. An ADH blood test measures your level to detect too much or too little ADH and, with other tests, help determine the cause.
What is a renal function panel? The renal panel is a blood test that helps assess kidney health. Learn more about the components of a renal panel and how the test is taken and interpreted.
The basic metabolic panel (BMP) includes eight separate measurements taken from one blood sample and is used to evaluate kidney function and metabolism.
