Click here to contact me with questions about your laboratory results - I do not volley e-mails back and forth because it is just too time consuming to keep track of who is responding to what e-mail. If you have a health question, please read about Signs and Symptoms before our conversation.

This is a brief summary of lab value interpretation and is not intended in any way to be comprehensive or replace any conversation of your results with your doctor.

RENAL (KIDNEY RELATED) LAB VALUES

BUN (Blood Urea Nitrogen) - Increases can be caused by excessive protein intake, kidney damage, certain drugs, low fluid intake, intestinal bleeding, exercise or heart failure. Decreased levels may be due to a poor diet, malabsorption, liver damage or low nitrogen intake.

Normal Adult Range: 7 - 18 mg/dl

CREATININE - Low levels are sometimes seen in kidney damage, protein starvation, liver disease or pregnancy. Elevated levels are sometimes seen in kidney disease due to the kidneys job of excreting creatinine, muscle degeneration, and some drugs involved in impairment of kidney function.

Creatinine, serum 0.6 - 1.2 mg/dl
Creatinine, Urine (male) - 0.8 - 2.4 g/24 h
Creatinine, Urine (female) - 0.6 - 1.8 g/24 h
Creatinine clearance (male) - 97 - 137 mL/min
Creatinine clearance (female) - 88 - 128 mL/min

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URIC ACID - High levels are noted in gout, infections, kidney disease, alcoholism, high protein diets, and with toxemia in pregnancy. Low levels may be indicative of kidney disease, malabsorption, poor diet, liver damage or an overly acid kidney.

Uric Acid, serum 3.0 - 8.2 mg/dL
Uric Acid, urine - varies with diet

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