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Doctor insights on: 24 Hour Urine Creatinine Test

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Is 3822.00 mmol/l normal 24- hour urine creatinine? Is 200.1ug/24h normal cortisol level for 24 hour urine test?

Is 3822.00 mmol/l normal 24- hour urine creatinine? Is 200.1ug/24h normal cortisol level for 24 hour urine test?

See below: Normal urine creatinine (24-hour sample) values range from 7-21 mmol/day (males) and 5-16 mmol/day (females). Results depend greatly on your age and amount of lean body mass. Normal urine 'free' cortisol (24-hour sample) is usually less than 50 ug (=mcg). ...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


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I had a 24hour urine creatinine test cancelled. Reason given on report was "antigen positive". What does this mean?

I had a 24hour urine creatinine test cancelled. Reason given on report was "antigen positive". What does this mean?

Uncertain: This is an unusual/uncommon reason for cancelling a 24-hour urine creatinine test that I have not seen before. There are a variety of medications that can potentially affect this test but reason for "antigen positive" is unknown to me. I would suggest contacting your ordering physician (or lab) so as to get an explanation. ...Read more

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Should I be concerned with an Urine Creatinine level of 518.5 mg/dL, but I was dehydrated at the time of the test (just finished running 3 miles)?

Urine creatinine: No - if this was a 24 hour level - expect 14-26 mg per kg for a male fo that would be on the low side. if it was a "spot" urine - its going to be off due to the dehydration from running. I would repeat it if needed when you haven't run and are hydrated. ...Read more

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Urine protein randm: 11.7, urine creatinine randm: 304 high (ref 58-161), protein/creatinine ratio: 38.44. What does tht mean? Do i need more test?

Urine protein randm: 11.7, urine creatinine randm: 304 high (ref 58-161), protein/creatinine ratio: 38.44. What does tht mean? Do i need more test?

Proteinuria: You have proteinuria (p) and the first thing is to have a 24 hour urine collection to see the amount of protein in your urine and to assess your kidney function. Have a renal ultrasound to assess kidneys' size depending on the p, i would send off blood for aso, anca 2, complement c3 and c4, hiv, hepatitis b antibody to see if a cause could be found for the p, if not a kidney biopsy may be needed. ...Read more

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ACR test morning sample - 17mg/dl microalbumin urine, Creatinine is 0.6 in blood.. No bp issue or sugar.

Normal: The albumin/creatinine ratio (ACR) urine test is used to detect the presence of abnormal amount of protein (albumin) in the urine which is often an early sign of kidney disease and an important prognostic marker in pts with diabetes and hypertension and a risk factor for cardiovascular disease. Your results (ACR 17 mg/dl and serum creatinine 0.6) are indicative or normal kidney function. ...Read more

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Male 5'9 172lb 40yr old-not a drinker but my stats are - GGT 102 ALT 45 Bili 1.6 Urine Creatinine 24.8. All other tests are good-what gives? Liver?

Male 5'9 172lb 40yr old-not a drinker but my stats are - GGT 102 ALT 45 Bili 1.6 Urine Creatinine 24.8.  All other tests are good-what gives? Liver?

Follow up: This may be anything from genetics to a "natural remedy" you are taking that is causing mild cholestasis. Your physician knows how to follow up. Especially, one person in 1000 or so has a familial high GGTvand these people are often accused of being secret alcohol abusers. Best wishes and I trust this will be sorted out. ...Read more

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Why is creatinine measured in a 24 hour urine collection?

Why is creatinine measured in a 24 hour urine collection?

Tell kidney function: Single urine specimens can be tested for creatinine. But daily urine output and urinary concentration varies hence a 24 hr urine collection. Normal creatinine output for an adult should be >1gm/24 hours. Also getting blood creatinine provides optimal way to accurately determine creatine clearance which in turn is a most accurate way to measure kidney function. ...Read more

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Creatinine was 1.15 then 2 months later 24 hour urine was normal?

Creatinine was 1.15 then 2 months later 24 hour urine was normal?

Likely no problem.: Your creatinine is within normal range (< 1.5 mg/dl). Normal ranges can vary, but this is well within many. Your 24 urine was normal, which likely means your kidneys are working properly and you likely don't have any diseases, like diabetes, etc. That cause abnormal amounts of urine to be produced. ...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