Preventive kidney testing can detect kidney issues when they first appear. They allow you and your medical provider to monitor pre-existing conditions and support your long-term health. Because kidney function influences multiple systems in the body, kidney testing provides essential insights into how well the kidneys filter waste, balance fluids, and regulate materials.
Kidney testing refers to a group of medical evaluations that assess kidney performance. These assessments help identify the following:
Kidney testing also helps medical teams assess the progression of existing kidney disorders and adjust treatment plans. Most kidney testing will fall into two major categories: blood tests and urine tests. Each category offers distinct information about one's kidney function and overall health.
The eGFR calculation uses serum creatinine, age, sex, and other factors to estimate how well the kidneys filter blood. A lower eGFR suggests reduced kidney function. This measurement helps medical providers track changes over time and classify stages of kidney disease.
The serum creatinine test is one of the most frequently performed kidney testing methods due to its reliability and simplicity. Creatinine is a waste product produced by muscle activity. Healthy kidneys efficiently remove creatinine from the bloodstream. Elevated levels often indicate impaired kidney function.
Urea nitrogen forms during the breakdown of proteins. High BUN levels may indicate kidney impairment or other medical concerns, such as dehydration or liver issues. When combined with creatinine levels, this test provides a clearer picture of the individual's overall kidney performance.
This test measures the amount of albumin, a type of protein, in urine. Healthy kidneys prevent albumin from passing into the urine. Elevated levels may represent early-stage kidney damage, particularly in individuals with diabetes or high blood pressure.
This method gathers all urine produced within 24 hours to measure total waste filtration. It offers advanced insight into kidney function, including how effectively the kidneys clear creatinine and protein. A 24-hour urine test can help diagnose specific kidney diseases or potential risk factors.
Nephrin is a protein found in podocyte cells in the kidneys. These special cells help the kidneys filter blood. A nephrin test looks for nephrin in the urine, which may indicate that the podocytes are damaged and not filtering blood as they should.
Most kidney testing procedures are simple and minimally invasive. Blood tests require a standard blood draw performed in a clinical setting or laboratory. In some cases, the patient may need to fast for several hours to prepare for the test.
Meanwhile, urine tests involve providing a single sample or collecting urine over a longer period, depending on the type of test. The patient will need to prepare for a urine test by staying hydrated and drinking enough water to ensure they can provide enough urine for the sample.
Regular kidney testing is an important part of early detection and intervention. Identifying kidney issues in their earliest stages supports better treatment outcomes and prevents long-term complications to your overall health. Call our Reston office to learn more about kidney testing or to schedule an appointment.
Request an appointment here: https://reston.millenniummedicalcare.com or call Millennium Medical Care Reston at (703) 440-7000 for an appointment in our Reston office.
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