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Doctor insights on: Elevated Urine Creatinine Diet Hydration

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Does anyone know what urine: creatinine .26; potassium 18, sodium 18 numbers could mean? With balanced diet of calories, sodium and potassium

Does anyone know what urine: creatinine .26; potassium 18, sodium 18  numbers could mean? With balanced diet of calories, sodium and potassium

Why was urine tested: It all depends on why the test was done and in what context, adequate creatinine in urine means kidney function (GFR) is near normal & amount of sodium, potassium in urine depends on dietary intake & other the then medical conditions such as presence of diarrhea or vomiting or medicines being taken for any other medical conditions incl bp! that's why important to know why test was done at all! ...Read more

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Dr. Arthur Heller
2,585 doctors shared insights

Diet (Definition)

refers to all the physical matter humans (like all living creatures) must take in on a recurring basis; only partially for energy. Like all life on planet humans are open systems which keep tearing down their structure & require intake of atoms/molecules from which to rebuild their structure. Intestinal lining cells replaced ~every 3 days. CaPO4 in bones ~every 6 years, ...Read more


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What is a normal urine creatinine level?

What is a normal urine creatinine level?

No such thing: We don't publish a reference range as people would worry. The more muscle mass you have, the more creatinine you put out daily. The level in turn is also a function of how much water you drink -- whether the urine is concentrated or dilute. And there's no illness for which increased or decreased production is a marker. If you do find a published range, ignore it. ...Read more

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What does high urine creatinine of 390.1mg/dl mean but everything else is normal ?

What does high urine creatinine of 390.1mg/dl mean but everything else is normal
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Dehydration: It appears that you may have dehyrdated cauisng hypernatremic (hypertonic) dehydration. This occurs when the lost fluid contains less sodium than the blood (loss of hypotonic fluid). Relatively less sodium than water is lost. Please be sure blood glucose, sodium and chloride levels were normal. I would see your doctor and have the urine test repeated along with a urinary sodium level. ...Read more

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What does it mean when random urine creatinine is high?

This is normal: Creatinine is normally excreted in the urine. The concentration of creatinine by itself means nothing other than the kidneys are doing their job. Blood creatinine will tell you better how well the kidneys are working. ...Read more

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Why might it be that we use urine creatinine when caclucating GFR ?

Not reabsorbed: Creatinine is used to calculate glomerular filtration rates because the kidney does not reabsorb it: whatever gets filtered into the glomerulus ends up in the urine. So it is a reliable indicator of how much blood has been filtered. All you have to calculate is the volume of blood that contained the amount of creatinine that appeared in the urine over a certain time. ...Read more

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Why would my blood creatinine be low and my urine creatinine be high?

Why would my blood creatinine be low and my urine creatinine be high?

Strong kidneys!: It sounds like your kidneys are working normally. That's what they're supposed to do -- clear metabolic products like creatinine from the blood, dumping it into the urine. The urine level might be especially high if you haven't been drinking lots of fluids lately, i.e. if the urine is relatively concentrated. In any case, this is a good sign, nothing to worry about. ...Read more

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Urine creatinine 24hour is 18.5 (7.1-17.7mmol/d) and my urine protein 24hour is 0.14 (<0.15g/d), I have IgM k monocloncal protein in b2 what is this?

Stop worrying: Reference ranges are where most people fall; there's no reason at all to get upset about a trivially high creatinine on a test that is done only to make a ratio with the albumin, which seems quite normal, thanks. My own guess is that your physician is eager to reassure you, and i'd urge you to accept this. There's much good in your life & future -- keep your eyes there. ...Read more

Urine (Definition)

Urine is the product of the kidneys, which is produced to eliminate the waste products of metabolism, manage body fluid balance, &maintain acid-base balance. The blood is first filtered by the kidneys, and the composition of the resulting fluid is then altered depending on the body's needs. It is composed of mostly water, and breakdown products from blood cells impart ...Read more


Dr. Madhu Kandarpa
2,189 doctors shared insights

Creatinine (Definition)

Creatinine is a byproduct of creatine phosphate, which is present in muscles. Creatinine levels increase if the ...Read more