Clinicians order urea to check kidney function, hydration, and protein breakdown. It helps monitor chronic or sudden kidney issues and guide care decisions. People at risk of kidney disease, on high-protein diets, or with dehydration may benefit. You can test this marker with Aniva across Germany and Finland.

Clinicians order urea to check kidney function, hydration, and protein breakdown. It helps monitor chronic or sudden kidney issues and guide care decisions. People at risk of kidney disease, on high-protein diets, or with dehydration may benefit. You can test this marker with Aniva across Germany and Finland.

High: May reflect reduced kidney filtering, dehydration, high protein intake or supplements, tissue breakdown, gut bleeding, or medicines like steroids. Check alongside creatinine and eGFR to understand the cause.
Low: Can occur with liver conditions, low protein intake, overhydration, or pregnancy. Hydrate normally, review diet and medicines, and consider follow-up tests such as creatinine, eGFR, and urine albumin.

• Creatinine
• eGFR (Creatinine)
• Cystatin C
• Urinalysis
• Urine albumin-to-creatinine ratio

Common factors that can shift results include dehydration or overhydration; recent very high-protein meals or protein supplements; vigorous exercise; bleeding in the gut; severe infection or burns; and medicines such as steroids, tetracyclines, and diuretics. Time of day matters little, but being acutely ill can alter values.

Special situations (when to confirm or adjust): advanced liver disease, late pregnancy, dialysis, or major bleeding may require context-specific interpretation.