HomeAnswersNephrologychronic kidney diseaseMy creatinine value is 90umol/L and C cystatine 0.95 mg/L with eGFR of 79 suggestive of CKD stage 2. Do I have CKD stage 2?

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The following is an actual conversation between an iCliniq user and a doctor that has been reviewed and published as a Premium Q&A.

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Published At July 14, 2023
Reviewed AtAugust 29, 2023

Patient's Query

Hello doctor,

I have a creatinine value of 90 umol/L and cystatine C of 0.95 mg/L. This gives a relative average eGFR of 79 which then is classified as CDK stage 2. But if I calculate my height and weight the absolute eGFR is 94. Do I have CDK stage 2 or should I look at absolute eGFR? Kindly suggest. Thank you.

Answered by Dr. Yash Kathuria

Hello,

Welcome to icliniq.com.

I understand your concern regarding eGFR values. CKD (chronic kidney disease) is defined if GFR (glomerular filtration rate) is less than 60 for more than three months or if urine protein is more than 20 mg for more than three months. GFR depends on many factors, with age it decreases slowly. And especially creatinine depends on your muscle mass, the amount of protein intake in your diet, and age. I want to know the following:

1. Do you have diabetes or hypertension?

2. Are you on any medication?

3. Do you have a family history of kidney disease?

Your creatinine and cystatin C are within normal range, do not rely on the formulas for calculating eGFR, as they are not completely reliable. It is only reliable if GFR is less than 60. I would advise you to get a urine protein creatinine ratio also. Thank you.

Patient's Query

Hello doctor,

Thank you for your answer. I do not have diabetes or high blood pressure and no family history. I am lifting heavy weights and eating a high protein diet. Since I pee a lot of bubbles I bought this home test to test for albumin and it was positive. But then I made a urine test albumin or creatinine test and it was 0.25 mg/dL so as far as I understand that is a good number. Guess my bubbles are not protein. Kindly suggest. Thank you.

Answered by Dr. Yash Kathuria

Hello,

Welcome back to icliniq.com.

Your bubbly urine is not due to protein leakage, because it requires a large amount of protein to get froth in urine. So you do not worry about the GFR issue. I suggest you follow the following:

1. Just make sure you drink an adequate amount of water.

2. Eat more fruits and vegetables daily.

3. Cut down on non-veg food in your diet if possible.

4. Avoid smoking and reduce alcohol consumption.

5. Do not take painkillers without a doctor's consultation.

Hope this helps you.

Thank you.

Patient's Query

Last one…if the borderline for CKD is 60 i that the relative gfr or the absolute? Iam going to do a skellet scintigrafi and they use a contrast that is radioactive is this hard on kidneys? Wish you all the best
Answered by Dr. Yash Kathuria
Hello, yes you can definitely go for the skeletal scan, there are no issues. As i said earlier if gfr is less than 60 consistently for 3 months along with protein in urine for the same duration then only kidneys can be called compromised. Otherwise its competely fine.

Same symptoms don't mean you have the same problem. Consult a doctor now!

Dr. Yash Kathuria
Dr. Yash Kathuria

Family Physician

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