What is a good GFR for my age?

A good estimated GFR (eGFR) depends on age: ≥90 mL/min/1.73 m² is normal for young adults. After about age 40 eGFR normally falls ~1 mL/min/year; values 60–89 may be expected in older adults if there’s no kidney damage. An eGFR <60 for three months suggests chronic kidney disease. Discuss your specific result with a clinician — eGFR varies with age, sex and muscle mass.

Can drinking water improve GFR?

Adequate hydration can improve or restore GFR when it’s reduced by dehydration by increasing renal blood flow and filtration. Rehydration may raise measured eGFR or creatinine clearance, but it won’t reverse chronic structural kidney damage. People with advanced CKD, heart failure, or fluid restrictions should consult their clinician before increasing fluid intake.

Call to Book

Home

Tests

Serum Cysteine Test For Estimated Glomerular Filteration Rate (Egfr)

up to 50% off

Serum Cysteine Test For Estimated Glomerular Filteration Rate (Egfr), in Lucknow

Q: What is a normal eGFR level?

A normal estimated glomerular filtration rate (eGFR) is generally 90 mL/min/1.73 m² or higher. Readings of 60–89 mL/min/1.73 m² suggest mildly reduced kidney function and can be normal with aging; values below 60 indicate possible chronic kidney disease if persistent for three months or more. Interpretation depends on age, sex, muscle mass and overall clinical context; abnormal results warrant follow-up.

Q: What is the cystatin C test with eGFR?

The cystatin C test measures a small protein made by all nucleated cells and cleared by the kidneys; its level reflects filtration. Used alone or combined with creatinine to calculate estimated glomerular filtration rate (eGFR), it helps assess kidney function more accurately—especially in older adults, people with abnormal muscle mass, or when creatinine-based estimates may be unreliable.

Q: What is the normal range for eGFR by cystatin C?

eGFR estimated from cystatin C is interpreted like creatinine-based eGFR: ≥90 mL/min/1.73 m² is considered normal; 60–89 mL/min/1.73 m² indicates mildly reduced function; <60 mL/min/1.73 m² suggests chronic kidney disease if persistent for over three months. Reference ranges vary by laboratory and decline with age; abnormal results require clinical correlation and repeat testing.

Q: What does it mean if your eGFR is low?

A low eGFR indicates reduced kidney filtering function. It can reflect acute problems (dehydration, medication effects) or chronic kidney disease from diabetes, high blood pressure, or other disorders. Lower eGFR raises risk of toxin buildup, fluid imbalance and altered medication dosing. Clinicians usually repeat tests, check urine and blood markers, adjust treatments, and may recommend lifestyle changes or specialist referral.

Q: Can drinking water improve GFR?

Adequate hydration can improve or restore GFR when it’s reduced by dehydration by increasing renal blood flow and filtration. Rehydration may raise measured eGFR or creatinine clearance, but it won’t reverse chronic structural kidney damage. People with advanced CKD, heart failure, or fluid restrictions should consult their clinician before increasing fluid intake.

This test measures a small protein called cystatin C in the blood. Book SERUM CYSTEINE TEST FOR ESTIMATED GLOMERULAR FILTERATION RATE(EGFR) in Nishatganj, Lucknow at GetVisit, NABL labs in Nishatganj and Sushant Golf City, home collection, same-day results and cashless OPD.

Centre Visit

SAMPLE TYPE

Blood

FASTING REQUIRED

GENDER

Male/Female

GET REPORTS IN

24 hours

TEST INCLUDED

20K+Customers

CertifiedLabs

4.5+Rating

ProvenAccuracy

What is a Serum Cysteine Test For Estimated Glomerular Filteration Rate (Egfr) Test in Lucknow ?

What is SERUM CYSTEINE TEST FOR ESTIMATED GLOMERULAR FILTERATION RATE(EGFR)?

This test measures a small protein called cystatin C in the blood. Cystatin C levels help estimate how well the kidneys filter waste. It is particularly important for people with diabetes or hypertension , the two leading causes of chronic kidney disease in India, responsible for over 60% of cases requiring dialysis.

What does SERUM CYSTEINE TEST FOR ESTIMATED GLOMERULAR FILTERATION RATE(EGFR) measure?

It is useful because cystatin C is less affected by muscle size than creatinine. Doctors use it to detect and monitor acute or chronic kidney disease. It can guide medication dosing and track kidney health after illness or transplant. Results are often used alone or with creatinine to give a clearer estimate of kidney function.

What symptoms suggest SERUM CYSTEINE TEST FOR ESTIMATED GLOMERULAR FILTERATION RATE(EGFR) may be needed?

A doctor may recommend SERUM CYSTEINE TEST FOR ESTIMATED GLOMERULAR FILTERATION RATE(EGFR) when a patient reports ankle or leg swelling, reduced urine output, frothy or foamy urine, persistent fatigue, loss of appetite, nausea, persistent itching, muscle cramps, and high blood pressure. GetVisit makes testing convenient in Lucknow, with lab slots and home collection in Aashiana, Alambagh, and nearby areas.

How is SERUM CYSTEINE TEST FOR ESTIMATED GLOMERULAR FILTERATION RATE(EGFR) performed?

Collection is a routine blood draw. Using a single-use sterile needle, the phlebotomist takes a small sample from a vein in your arm; GetVisit's team in Aashiana and Alambagh, Lucknow then barcodes and transports it under controlled conditions to the NABL lab.

How accurate is SERUM CYSTEINE TEST FOR ESTIMATED GLOMERULAR FILTERATION RATE(EGFR)?

Results are analytically reliable because GetVisit's Lucknow logistics network maintains proper cold-chain transport from your Aashiana or Alambagh collection point to the processing lab, preserving sample integrity. NABL independently audits quality control at regular intervals.

Are there any risks to SERUM CYSTEINE TEST FOR ESTIMATED GLOMERULAR FILTERATION RATE(EGFR)?

A blood draw for SERUM CYSTEINE TEST FOR ESTIMATED GLOMERULAR FILTERATION RATE(EGFR) is very safe. Occasionally there is minor bruising or light-headedness; sitting for a couple of minutes afterwards at the Aashiana or Alambagh, Lucknow collection point usually prevents this.

Did you know?

A normal estimated glomerular filtration rate (eGFR) is generally 90 mL/min/1.73 m² or higher.

Serum Cysteine Test For Estimated Glomerular Filteration Rate (Egfr) Test Preparation in Lucknow

Diet and fasting:

This test can be done at any time of day with no fasting. Keep to your usual meals and medicines, and drink water normally.

Medication guidance:

Mention any regular painkillers or blood-pressure medicines to your doctor, since some can temporarily affect kidney markers.

What to carry:

Bring your doctor's prescription, a valid photo ID, and your insurance card if you're using cashless OPD. Loose sleeves make collection easier.

When to book:

An early slot works best, especially for fasting tests. Home collection is available across Vibhuti Khand, Kaiserbagh, and the rest of Lucknow.

Serum Cysteine Test For Estimated Glomerular Filteration Rate (Egfr) Test Parameters in Lucknow

Single standalone test:

SERUM CYSTEINE TEST FOR ESTIMATED GLOMERULAR FILTERATION RATE(EGFR). Can be ordered individually or as part of a preventive health package on GetVisit.

Why Take a Serum Cysteine Test For Estimated Glomerular Filteration Rate (Egfr) Test in Lucknow ?

When does a doctor order SERUM CYSTEINE TEST FOR ESTIMATED GLOMERULAR FILTERATION RATE(EGFR)?

SERUM CYSTEINE TEST FOR ESTIMATED GLOMERULAR FILTERATION RATE(EGFR) is often ordered as part of a kidney function assessment or renal panel. Doctors may request it when you have reduced urine output, swelling, high blood pressure, unexplained tiredness, or abnormal creatinine.

Who should get SERUM CYSTEINE TEST FOR ESTIMATED GLOMERULAR FILTERATION RATE(EGFR) done in Lucknow?

Lucknow's hot summers, seasonal water-quality issues, and high diabetes and hypertension rates raise chronic kidney-disease and stone risk, particularly for residents of Alambagh, Rajajipuram, and Chinhat. Annual kidney testing is advisable for adults above 30. Kidney testing matters most for people with diabetes or high blood pressure, a family history of kidney disease, recurrent kidney stones, or long-term use of painkillers such as ibuprofen or diclofenac. In Lucknow, residents of Chowk, Gomti Nagar Extension, and areas with variable water quality or high summer heat face added dehydration-related renal stress, making annual checks worthwhile from age 30.

What conditions can SERUM CYSTEINE TEST FOR ESTIMATED GLOMERULAR FILTERATION RATE(EGFR) help diagnose?

It helps diagnose and follow chronic or acute kidney disease and guide drug dosing. Abnormal results can come from kidney injury, chronic disease, dehydration, or some medicines, and family history of kidney disease may make testing more important.

What do SERUM CYSTEINE TEST FOR ESTIMATED GLOMERULAR FILTERATION RATE(EGFR) results mean?

Lower or negative results: A low eGFR indicates reduced kidney filtering function. Your doctor reads the value against the reference range on your report and your symptoms, and may repeat a borderline result to confirm it.

How often should SERUM CYSTEINE TEST FOR ESTIMATED GLOMERULAR FILTERATION RATE(EGFR) be repeated?

Adults with no risk factors and a normal result: annually from age 30. Diabetics and hypertensives: at least once a year, often every 6 months. Patients with known kidney disease: at the interval set by their nephrologist. Anyone starting a drug cleared by the kidneys: at baseline and periodically thereafter.

What happens after SERUM CYSTEINE TEST FOR ESTIMATED GLOMERULAR FILTERATION RATE(EGFR) results are ready?

Your GetVisit digital report is delivered to your phone as soon as results are authorised. Share it directly with your doctor via the app, or book a consultation with a GetVisit-verified specialist on the same platform. Critical values outside a safe range are flagged by the laboratory for urgent clinical review.

How to Book a Test ?

Search & Add Test

Search by test names and add it to your cart

Select a Lab

Choose your preferred labs from top trusted partners

Select Date & Slot

Select a convenient date and time for your test

Pay & Book

Make payment and get confirmation within 2 hours

Frequently asked questions

For any unanswered questions, reach out to our support team via email. We will assist you as soon as possible

What is a normal eGFR level?

A normal estimated glomerular filtration rate (eGFR) is generally 90 mL/min/1.73 m² or higher. Readings of 60–89 mL/min/1.73 m² suggest mildly reduced kidney function and can be normal with aging; values below 60 indicate possible chronic kidney disease if persistent for three months or more. Interpretation depends on age, sex, muscle mass and overall clinical context; abnormal results warrant follow-up.

What is the cystatin C test with eGFR?

The cystatin C test measures a small protein made by all nucleated cells and cleared by the kidneys; its level reflects filtration. Used alone or combined with creatinine to calculate estimated glomerular filtration rate (eGFR), it helps assess kidney function more accurately, especially in older adults, people with abnormal muscle mass, or when creatinine-based estimates may be unreliable.

What is the normal range for eGFR by cystatin C?

eGFR estimated from cystatin C is interpreted like creatinine-based eGFR: ≥90 mL/min/1.73 m² is considered normal; 60–89 mL/min/1.73 m² indicates mildly reduced function; <60 mL/min/1.73 m² suggests chronic kidney disease if persistent for over three months. Reference ranges vary by laboratory and decline with age; abnormal results require clinical correlation and repeat testing.

What does it mean if your eGFR is low?

A low eGFR indicates reduced kidney filtering function. It can reflect acute problems (dehydration, medication effects) or chronic kidney disease from diabetes, high blood pressure, or other disorders. Lower eGFR raises risk of toxin buildup, fluid imbalance and altered medication dosing. Clinicians usually repeat tests, check urine and blood markers, adjust treatments, and may recommend lifestyle changes or specialist referral.

Can I exercise before SERUM CYSTEINE TEST FOR ESTIMATED GLOMERULAR FILTERATION RATE(EGFR)?

Avoid strenuous exercise for 12 to 24 hours before SERUM CYSTEINE TEST FOR ESTIMATED GLOMERULAR FILTERATION RATE(EGFR), since intense activity can temporarily change several blood markers. Light everyday movement is fine.

Can menstruation affect SERUM CYSTEINE TEST FOR ESTIMATED GLOMERULAR FILTERATION RATE(EGFR) results?

Some tests, such as iron studies and certain hormone panels, can be influenced by your menstrual cycle. If you are on your period, mention it so your doctor can judge whether timing matters for SERUM CYSTEINE TEST FOR ESTIMATED GLOMERULAR FILTERATION RATE(EGFR).

Visit Health Experience

End-to-end care delivered at the right time through our nationwide network

5,000+

Hospitals/Clinics

India's most trusted health centres

Optional 'You Book, Visit Pays' feature

Cashless coverage from metro to rural

65,000+

Doctors & Specialists

Priority access & same-day care

Cashless in 1250+ cities

Custom doctor onboarding

7,800+

Diagnostics Partners

NABL-accredited labs

Hassle-free sample collection

Seamless report & prescription tracking

19,000+

Pharmacy Delivery Pincodes

Home delivery & store pickup options

End-to-end order tracking

Auto-refills for regular medications

Your Care, Our Commitment!

More than 12,000 people trust us with their health

Vijay Bisht was friendly, helpful, and made our home test process seamless. Grateful for his timely support and follow-up.

Usha Parvathy

Partner at Deloitte

A big thank you to Shikhar from the Visit app for going above and beyond to arrange a last-minute appointment during an urgent situation. His seamless coordination truly made a difference.

Tejas Baxix

Associate Vice President

A clean facility enhances experience. Quick checkups are a plus. Miss Rinku from Aditya Birla Health Insurance provided excellent service and handled our files well.

Sadaanand Asai

Employee

“The service was excellent—she was helpful, efficient, and made my recovery smooth and stress-free. Her support made a real difference.”

Ishan Kaul

Manager Administration

“Thank you, Shared Gupta, for the great support with my reimbursement claims and Wipro health packages. Truly appreciated!”

Karen Colaco

Employee

Thank you, Rinku. I appreciate your help during my visit. The hospital staff were courteous and professional. Overall, a very good experience!

Deepak kumar

Employee

Vijay Bisht was friendly, helpful, and made our home test process seamless. Grateful for his timely support and follow-up.

Usha Parvathy

Partner at Deloitte

A big thank you to Shikhar from the Visit app for going above and beyond to arrange a last-minute appointment during an urgent situation. His seamless coordination truly made a difference.

Tejas Baxix

Associate Vice President

A clean facility enhances experience. Quick checkups are a plus. Miss Rinku from Aditya Birla Health Insurance provided excellent service and handled our files well.

Sadaanand Asai

Employee

“The service was excellent—she was helpful, efficient, and made my recovery smooth and stress-free. Her support made a real difference.”

Ishan Kaul

Manager Administration

“Thank you, Shared Gupta, for the great support with my reimbursement claims and Wipro health packages. Truly appreciated!”

Karen Colaco

Employee

Thank you, Rinku. I appreciate your help during my visit. The hospital staff were courteous and professional. Overall, a very good experience!

Deepak kumar

Employee

I want to share my feedback on the help I received for my health checkup. I was happy with the guidance and support. Thank you for your assistance; it made the experience stress-free.

Rahul Shelke

Employee

Huge shoutout to Shikhar from the Visit app! He has been incredibly supportive during emergencies — always responsive and ready to help. Truly impressed by his dedication and calm efficiency.

Somchand

Employee

“I connected with the concierge team today and spoke with Vijay—he was helpful and made a real effort to address my concerns.”

Archana Bhutani

Employee

I appreciate Shreshta's outstanding support. She kept me updated on my medicals after hours and ensured everything went smoothly. Her proactive communication and care made a big difference.

Nirmal S

Employee

“Grateful to Shikhar for finding a cataract specialist at a convenient time and ensuring a smooth experience. A true asset to the Visit team!”

Shilpa Gupta

Employee

Hi Aniket, Annu, Mayur, I appreciate Shikhar's support in organizing clinic appointments for my child at odd hours. It's a sensitive matter for any parent, and I'm thankful for his understanding.

Nikhil Sobti

Employee

I want to share my feedback on the help I received for my health checkup. I was happy with the guidance and support. Thank you for your assistance; it made the experience stress-free.

Rahul Shelke

Employee

Huge shoutout to Shikhar from the Visit app! He has been incredibly supportive during emergencies — always responsive and ready to help. Truly impressed by his dedication and calm efficiency.

Somchand

Employee

“I connected with the concierge team today and spoke with Vijay—he was helpful and made a real effort to address my concerns.”

Archana Bhutani

Employee

I appreciate Shreshta's outstanding support. She kept me updated on my medicals after hours and ensured everything went smoothly. Her proactive communication and care made a big difference.

Nirmal S

Employee

“Grateful to Shikhar for finding a cataract specialist at a convenient time and ensuring a smooth experience. A true asset to the Visit team!”

Shilpa Gupta

Employee

Hi Aniket, Annu, Mayur, I appreciate Shikhar's support in organizing clinic appointments for my child at odd hours. It's a sensitive matter for any parent, and I'm thankful for his understanding.

Nikhil Sobti

Employee