... my BUN and Creatine are normal but I have to have an uroscopy and and a biopsy is this revelant to the disease process. I am very comcerned
Do you mean BUN and Creatinine? As you seem to know, both of these blood tests are often increased in kidney dysfunction. "Diabetes insipidus is caused by the inability of the kidneys to conserve water, which leads to frequent urination and pronounced thirst." (Drugs.com)
"Chronic kidney disease is the slow loss of kidney function over time. The main job of the kidneys is to remove wastes and excess water from the body.
"Chronic kidney disease (CKD) slowly gets worse over months or years. You may not notice any symptoms for some time. The loss of function may be so slow that you do not have symptoms until your kidneys have almost stopped working. Diabetes and high blood pressure are the two most common causes and account for most cases." (Source: nlm.nih.gov)
Note the 1st 2 reasons for a kidney biopsy are abnormal URINE tests.
"A kidney biopsy may be recommended for any of the following conditions:
hematuria, which is blood in the urine
proteinuria, which is excessive protein in the urine
impaired kidney function, which causes excessive waste products in the blood" (Source: niddk.nih.gov)
You could, for example, have excess protein in your urine without the Blood BUN and creatinine being elevated. You could have a symptom that only a Dr's. exam or questions reveal. I would expect your Dr. to have discussed the WHY of your needing these 2 procedures with you. If needed or desired, call the office and get that information. Your Dr. knows far more about you than we do here.
- Creatine Information for Consumers
- Creatine Information for Healthcare Professionals (includes dosage details)
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