Kidney Function Test

Kidney disease is often called a “silent disease” because it shows no symptoms in the early stages. By the time symptoms appear, kidney damage may already be advanced. Early screening helps detect problems before it’s too late.

🔍 Who Should Get a Kidney Function Test?

✅ People with high blood pressure or diabetes

✅ Individuals with a family history of kidney disease

✅ People taking long-term medications affecting the kidneys (e.g., NSAIDs, diuretics)

✅ Anyone with swelling, fatigue, or urinary issues

✅ As part of routine health screening in aging adults

Creatinine

A waste product from muscle metabolism, filtered out by the kidneys

⬆ High: Suggests reduced kidney function or kidney failure

⬇ Low: May occur in low muscle mass, aging, or pregnancy

BUN

Blood Urea Nitrogen

Measures urea levels, a waste product from protein breakdown

⬆ High: May indicate kidney dysfunction, dehydration, high protein diet, or GI bleeding

⬇ Low: Can be seen in liver disease, malnutrition, or overhydration

eGFR

Estimated Glomerular Filtration Rate

Estimates how well your kidneys are filtering waste from the blood

Based on creatinine level, age, sex, and body size

REVIVAL CLINIC BANGKOK,

Kidney function test

Creatinine

BUN

eGFR