Test helps determine the balance of salt and water in the body. Monitors effects of a low-salt diet.
Helps evaluate suspected kidney and adrenal-gland disorders.
Commercial laboratory, hospital, doctor's office. Lab technician, nurse, doctor. No changes necessary. You may be asked not to take this medication before the test. Tell the technician, nurse or doctor if urine appears red, cloudy, smoky or has any other strange appearance or color.