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Is Creatinine Level In Blood Of 40 A Cause For Concern?

Posted on Tue, 19 Sep 2017

Question: My creatinne blood level is just below 40 . What does thos mean?

Answered by Dr. Dr. Muhammad Sareer Khalil (1 hour later)

Brief Answer:
Need more info

Detailed Answer:
Hello and Welcome

I appreciate your concern

Its most likely to be creatinine clearance or its in a unit other than mg/dl.

Please upload the lab result or the unit associated with the reading of 40 to comment further.

Please mention your weight and height as well

Wishing you best of health

Thanks

Let me know if you have any query

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Dr. M.S. Khalil

Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar

Follow up: Dr. Dr. Muhammad Sareer Khalil (1 hour later)

The blood creatinine is 40 umol/L ( normal 40-85).
My weight is 63kg, my height 5'4" ( 5"-7" before an accident followed by spinal fusion)

Answered by Dr. Dr. Muhammad Sareer Khalil (14 hours later)

Brief Answer:
Explained

Detailed Answer:
Hello again

The creatinine is near the lower limit of normal. It is by no way deranged. The importance of a single creatinine value must be interpreted in view of the patient's muscle mass. If the muscle mass is low then the creatinine which is its byproduct would also be on the lower side. Liver disease, aging and protein malnutrition can also lead to a low creatinine level. Workup can be done to rule out liver disease and protein malnutrition. If they are normal then no further investigation is required.

Thanks

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Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar