UREA; SERUM

What this test checks

Urea is a waste product from protein breakdown that healthy kidneys filter out. High levels often mean kidney trouble but can also be from dehydration.

Why do people get this test?

Together with creatinine, it gives a full picture of kidney health.

When you should consider this test

• Suspected kidney problem
• Diabetes or high blood pressure follow-up
• Dehydration evaluation

How to prepare

Fasting preferred.