Kidney Function

medical-lab

The blood urea nitrogen (BUN) to creatinine ratio, commonly reported in milligrams per deciliter (mg/dL), is a simple index used in clinical practice to help differentiate the c...

medical-testing

Protein in urine, or proteinuria, refers to an abnormal amount of protein—primarily albumin—passing from the blood into the urine through the kidneys. Healthy kidneys usuall...

Kidney Health

A high bun creatinine ratio with low creatinine is a lab pattern in which blood urea nitrogen (BUN) is relatively elevated compared to creatinine, while creatinine itself is bel...

Kidney Health

A low BUN creatinine ratio means your blood urea nitrogen (BUN) is low relative to your serum creatinine. BUN is an estimate of urea, a nitrogenous waste from protein breakdown,...

medical-testing

Estimated glomerular filtration rate (eGFR) quantifies how well your kidneys filter waste and excess fluid from the blood. It is derived from equations that use serum creatinine...

medical-lab

The BUN/creatinine ratio compares blood levels of blood urea nitrogen (BUN) and creatinine, two waste products filtered by the kidneys. It is calculated by dividing the BUN valu...

Kidney Health

Finding no protein in your urine usually means that, at the level of detection of the test performed, your kidneys are not currently spilling measurable protein into the urine....

Health & Wellness

After drinking water, absorption begins quickly in the mouth and stomach, with most entering the small intestine and bloodstream within minutes. Peak plasma concentration typica...

Kidney Health

A stable bun creatinine level is a useful clue about how well your kidneys handle waste and fluid. This simple calculation compares blood urea nitrogen (BUN) to serum creatinine...

medical

Blood urea nitrogen (BUN) and serum creatinine are routine blood tests that help clinicians evaluate how well your kidneys filter waste. Together, these values offer a durable,...