Diabetes Insipidus type symptoms can also be caused by many other diseases, therefore, your doctor will need to perform some tests to rule out the other diseases to complete diabetes insipidus diagnosis. In order to perform diabetes insipidus diagnosis, your doctor may require you to undergo the following tests:
Water Deprivation Test:
This is an important test for diabetes insipidus diagnosis. In this test, the doctor advises you to stop taking water three hours before the test. The doctor would then evaluate the changes in urine output, weight loss and urine composition in the light of withholding fluids. The doctor may also want to measure ADH levels during Water deprivation test for Diabetes Insipidus diagnosis. Water deprivation test is administered under close supervision of a medical attendant for children and expectant mothers to ensure that no more than 5 percent of weight loss occurs during the test.
The doctor may like to have a detailed urine analysis for completing his diabetes Insipidus diagnosis. The basic purpose of this test is to measure the concentration of urine. If the salts and other chemicals concentration is low in the urine and it is very diluted, then the doctor may diagnose you with diabetes Insipidus.
Magnetic Resonance Imaging ( MRI ):
Your doctor may also want to perform a MRI test to have a detailed picture of brain tissues, especially around the pituitary gland area. An MRI is a non surgical procedure which uses a very powerful magnet to create detailed imaging of brain tissues.
If the doctor suspects hereditary form of Diabetes Insipidus, he may inquire about the family history of excessive urination. He may also ask you to undergo genetic screening for completing diabetes Insipidus diagnosis.
These are some of the most common diabetes insipidus diagnosis tests recommended by the doctors.