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  1. Sarah
  2. General Nephrology Questions
  3. Friday, 01 March 2019
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My recent random urine creatinine is 1.1 mmol/L (with a "low" flag on the report, reference 2.5-20.0 mmol/L) , urine albumin is <5 mg/L.
Report says "Unable to calculate Albumin/Creatinine Ratio as the concentration of the Albumin is less than the lower limit...".

My serum creatinine is 59 umol/L, and eGFR is 110, and I am a 41 years old female.

I don't know what this low urine creatinine means? It seems to be abnormally low, I am so worried... Please help, thank you.
Responses (4)
Accepted Answer Pending Moderation
Hi there,

There is no reason to be concerned. Your urine may have simply been dilute at the time. This is a normal test.

Dr. Jordan Weinstein
Accepted Answer Pending Moderation
Hi, Dr. Jordan:

Thank you so much for your quick reply. :D

Since you said my urine might be dilute at the time, so, in my situation, my serum test values reflect more accurate for my kidney function this time, is that right?
And, do I need to repeat the Urine Albumin/Creatinine Ratio test after a while, or require a 24 hours urine test? If needed, how soon would you like to suggest?

Thank you very much for your time again.

My info:
random urine Creatinine : 1.1 mmol/L (reference 2.5-20.0 mmol/L) ;
urine Albumin : <5 mg/L (undetectable);
urine Protein: negative;
serum Creatinine: 59 umol/L (reference 50-100 umol/L);
eGFR: 110;
I am 41 years old, female.


Sarah
Accepted Answer Pending Moderation
The dilution will not impair the accuracy of the test and is why the albumin to creatinine ratio is so useful. And furthermore, no reason to suspect the blood test to be inaccurate. I generally would not suggest repeating normal tests :)

Dr. Jordan Weinstein
Accepted Answer Pending Moderation
Thank you so much Dr. Jordan for your quick reply, and I am very happy to hear that all my results are normal. :D

Also, thank for this amazing website, it allows us to ask questions and receive prompt responses from real doctor. This is so useful and helpful!

Two thumbs up!!


:D
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