Blood Test For Kidney Infection. Healthy kidneys remove it from the blood and dispose of it through the urine. These are usually done if.
A urine sample is examined under a microscope to determine if white and or red blood cells are present. People with impaired kidneys are prone to creatinine buildup in their blood. Your doctor might also take a blood sample for a culture a lab test that checks for bacteria or other organisms in your blood.
The most common lab tests to help diagnose a kidney infection are two types of urine test.
Bacteria also can be found in the urine of healthy people so a kidney infection is diagnosed based both on your symptoms and a lab test. How are kidney infections pyelonephritis diagnosed. Urine tests can also detect whether the kidneys are leaking abnormal amounts of protein a sign of kidney damage. Your doctor may also use these tests to diagnose your kidney infection.