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High phosphorus level

I just had KIdney function test twice in last week

I just checked my phosphorus level yesterday test is 5.17 mg/dl and three days back it was 3.77 mg / dl
Fifteen days back it was 4.48 mg /dl
Is 5.17 mg/dl level of phosphorus in blood means kidney damage
Can it be due to some reason like dehydration or anything else ?
I had COVID last month but now recovered
I am really worried about this level of phosphorus rest all parameter like urea and creatinine are normal in kidney function test ?
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20620809 tn?1504362969
What is causing you to get this checked?  Do you have an ongoing situation?  Yes, your phosphorous level was too high at your last time it was checked.  The normal range for phosphorous is 2.5-4.5 mg/dL.  So, the other times it was within normal. If your kidneys aren't functioning properly, phosphorous 'can' build up.  https://www.kidneyfund.org/kidney-disease/chronic-kidney-disease-ckd/complications/high-phosphorus/  You are only slightly elevated at this point. What does your doctor say? What are your other test results? Do you follow up to check again. Ways to lower phosphorous:      Reduce the amount of phosphorus you eat. ...
    Take phosphorus binders. ...
    Take vitamin D. ...
    Take a calcimimetic medicine. ...
    Stay on dialysis the entire time. ...
    Start an exercise program approved by a doctor. ...
    Get an operation to remove some of the parathyroid glands.

Let me know what else the doctor has said.  That your other indicators are normal is a good sign.
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