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Home > Diseases and Conditions > Chronic Kidney Disease > Chronic Kidney Disease Basics >

Tests and Diagnosis for Kidney Function in CKD Patients

Kidneys are important organs for every people, they mainly filter blood and excrete wastes out into urine, and they can also regulate the electrolyte balance, etc. More important, kidneys can also regulate blood pressure, production of red blood cells and calcium metabolism. However, when kidneys are damaged, patients can get abnormal kidney function. In this article, we will introduce the tests and diagnosis for kidney function in CKD patients.

Kidney function test is mainly used to know well of the current condition of kidneys, and here are some common outcome measurements, including urine nitrogen, serum creatinine, GFR, proteinuria, hematuria, and so on. Here, we will get further understanding.

Urea nitrogen: normal urea nitrogen is 3.2-7.1 mmol/L (9-20 mg/dl). If urea nitrogen is too high or too low, it can be related with kidney damage, and it is also a standard to diagnose kidney failure.

Creatinine: creatinine is the waste product of muscle metabolism, and it is mainly excreted by kidneys. In general, when creatinine is higher than normal level 0.5-1.3 mg/dl, it means kidneys have been damaged severely with less than 50% kidney function left, so it is a dangerous sign to kidney patients.

GFR: glomerular filtration rate refers to how much blood can be filtered by kidneys in one minute. When GFR is lower than 60, it means kidneys have been damaged moderately, and patients need to pay attention.

Proteinuria: It means leakage out of protein in urine, which is the early symptom in kidney patients, because kidneys have been damaged and they cant keep protein in blood effectively. So, once patients get abnormal bubbles in urine, they should pay attention.

Hematuria: hematuria means leakage out of red blood cells in urine, which can be caused by many factors, such as infections, kidney stones, tumor, etc. Once people get hematuria, they need to get the main cause of the hematuria, then take effective treatment.

Above are some of the common tests and diagnosis for kidney function in CKD patients. Patients need to make accurate diagnosis to get the cause of their kidney disease, and then take effective treatment to stop the disease, which can make a good prognosis for them. If you want to learn more, you can contact online doctor, or you can also leave a message below. We will give more help.

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