【Renal Function Test | HK$380 | 7 Blood Tests + 18 Urine Tests | Quickly Assess Kidney Health】
📍Price: HK$380 per person 🕐 Report Time: Approximately 4–5 working days 👩⚕️ Report Explanation: Explained clearly by qualified medical staff 🩺 Test Procedure: Registration ➝ Blood draw ➝ Urine sample collection; takes only 30–45 minutes; fasting is not required
✅ Renal Function Test Includes:
Item
Function & Interpretation
1
Health Questionnaire
Covers lifestyle habits, diet, and family medical history to provide a basis for risk assessment and personalized advice.
2
Physical Exam
Measurement of blood pressure, heart rate, weight, height, and BMI to assess overall physical health.
3
Creatinine
A waste product from muscle metabolism; high levels indicate reduced kidney filtration capacity.
4
Urea
A nitrogen waste from protein metabolism; elevated levels suggest poor kidney function or dehydration.
5
eGFR
Estimated glomerular filtration rate, calculated from creatinine, age, gender, etc.; a key marker for chronic kidney disease (CKD) staging.
6
Sodium (Na)
Regulates fluid balance, blood pressure, and nerve signals; kidney dysfunction can affect sodium levels.
7
Potassium (K)
Essential for heart, muscle, and nerve function; abnormalities can be life-threatening, especially in CKD.
8
Chloride (Cl)
Works with sodium to maintain fluid and acid-base balance; reflects dehydration or acidosis.
9
Bicarbonate / CO2
Indicates the body’s acid-base status; low levels may suggest metabolic acidosis from impaired kidney function.
10
Urine Routine (18 Items)
Screens for protein, glucose, red and white blood cells, pH, etc.; detects proteinuria, hematuria, UTIs, and early nephritis.
This test is also included:
Detailed health report with doctor’s interpretation and health recommendations
Report explanation by medical staff.
🧠 Why Should Hong Kong Residents Get a Kidney Function Test?
🩺 Chronic Kidney Disease (CKD): A Growing Public Health Concern
According to the Hong Kong Department of Health and the Kidney Foundation, 1 in every 10 adults suffers from some degree of CKD. Most cases are asymptomatic in early stages, earning CKD the nickname “Silent Killer”.
Key Stats:
CKD prevalence increases with age.
27.7% of Hong Kong’s population has hypertension, and 8.4% has diabetes — both are leading causes of CKD.
Over 850 million people globally suffer from kidney disease.
By 2040, CKD is projected to be the 5th leading cause of death worldwide. (Source: World Kidney Day)
🧬 What Do Your Kidneys Do, and Why Are They Important?
The kidneys are your body’s natural filters. They are responsible for:
Removing waste and toxins (e.g., creatinine, urea)
Regulating electrolytes (sodium, potassium, chloride) and pH balance
Controlling blood pressure and fluid levels
Producing erythropoietin (a hormone that stimulates red blood cell production)
Activating vitamin D to support bone health
When kidneys are impaired, this can lead to anemia, edema, hyperkalemia, irregular heartbeat, and even uremia and death.
🚨 Common Causes of Kidney Damage
Diabetes (52% of end-stage renal disease cases in HK are diabetes-related)
Hypertension / metabolic syndrome
Polycystic kidney disease (genetic)
Glomerulonephritis
Long-term use of painkillers or Chinese herbal medicine
Kidney stones or urinary tract obstruction (e.g., prostate enlargement)
High-salt, high-protein diet with low water intake
⚠️ Common Symptoms of Impaired Kidney Function
While early to mid-stage CKD is often symptom-free, as kidney function declines, the following may appear:
1️⃣ Foamy Urine
• Persistent bubbles that don’t disappear
• May indicate proteinuria and glomerular damage
2️⃣ Changes in Urine Color or Frequency
• Nocturia, frequent urination, oliguria, hematuria
• Cloudy or foul-smelling urine
3️⃣ Swelling (Edema)
• Puffy eyelids, ankles, or fingers; indentation after pressing
• Caused by fluid retention due to poor kidney function
4️⃣ High Blood Pressure
• Kidney dysfunction impairs salt and fluid regulation
5️⃣ Fatigue and Weakness
• Due to anemia or toxin buildup
6️⃣ Anemia
• Reduced erythropoietin production leads to dizziness, palpitations, and shortness of breath
7️⃣ Loss of Appetite / Nausea
• Buildup of waste affects the digestive system
8️⃣ Itchy or Darkened Skin
• Caused by uremic toxins and dry skin
9️⃣ Reduced or No Urine Output (Late Stage)
• Sign of advanced kidney failure
🧪 If You Experience These Symptoms, a Renal Function Test Is Strongly Recommended
Especially for those with a history of diabetes, hypertension, or metabolic syndrome.
🔍 Urine Abnormalities & Their Link to CKD:
Item
Abnormal Finding
Possible Condition
Urine Protein
Positive (+) or microalbuminuria
Early glomerular damage, key CKD warning sign
Urine RBC (Red Blood Cells) / Blood
Microscopic or visible blood
Nephritis, glomerular disease, stones, tumors
Specific Gravity
<1.005 or unchanging
Poor urine concentration; seen in CKD
Urine pH
Persistently low (<5) or high (>8)
Acid-base imbalance due to impaired acid excretion
Urine WBC (White Blood Cells)
Increased WBCs
Urinary infection or pyelonephritis
Urine Glucose
In non-diabetics
Tubular dysfunction or poorly controlled diabetes
Urine Appearance / Colour
Cloudy, foamy, or odorous
May indicate proteinuria, requires further testing
🧪May indicate proteinuria, requires further testing :
Early-stage CKD may only show subtle urine changes like microalbuminuria or mild hematuria.
Blood tests (creatinine, eGFR, urea) provide a more complete picture.