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Doctor insights on: Histamine 24 Hour Urine

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Dr. Philip Rosenblum
Board Certified, Family Medicine
22 years in practice
2M people helped
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1
Must I use an acid washed jug for my 24-hour urine collection? 

Must I use an acid washed jug for my 24-hour urine collection? 

Lab supplies this: The laboratory will supply the collection bottle required for that test. Do not use any other container. ...Read more

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Dr. Peter Kurzweil
Board Certified
44 years in practice
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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. Pedro Hernandez
Board Certified, Geriatrics
34 years in practice
3M people helped
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What substances interfere with the results of 24 hour urine tests?

What substances interfere with the results of 24 hour urine tests?

For what?: What is your doctor testing with the 24 hr collection of urine? Creatinine clearance, cortisol, calcium, cathecolamines, protein, cortisol or steroids? Depending upon the answer there are some medications or drugs that may interfere specifically. ...Read more

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Dr. Peter Kurzweil
Board Certified
44 years in practice
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Dr. Rajesh Boorgu
Board Certified, Nephrology and Dialysis
21 years in practice
474K people helped
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What is the definition or description of: 24 hour urine creatine?

Diagnostic test: A 24-hour urine collection is a simple diagnostic procedure that measures the components of urine. The test is noninvasive (the skin is not pierced), and is used to assess kidney (renal) function. Specifically the amount of creatinine excreted is measured to get an estimate of the glomerular filtration rate (gfr). ...Read more

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Dr. George Klauber
Board Certified, Pediatric Urology
30M people helped
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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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Dr. Peter Kurzweil
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Dr. Gurmukh Singh
Board Certified, Pathology
43 years in practice
95M people helped
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What is 24 hour urine test ? Is it a collection of urine in 24 hours at home ?

What is 24 hour urine test ? Is it a collection of urine in 24 hours at home ?

Different chemicals: A 24 urine is not a test per se. Many chemicals in urine need to be measured over a period of 24 hours. Common tests are for creatinine, calcium, adrenal hormones, albumin and protein in general. See this site for proper collection of specimen and the tests. http://www.urmc.rochester.edu/encyclopedia/content.aspx?ContentTypeID=92&ContentID=P08955 ...Read more

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Dr. Mathew Sorensen
Board Certified, Urology
16 years in practice
217K people helped
6

6
I have a creatineof 1111.0 in a 24 hour urine. What does this mean?

Good question: The creatinine is used to assess the quality of the collection. Based on your weight, body composition, and being a female you should have a certain amount of creatinine in your collection. If the amount in the specimen is above or below this amount, then it helps the physician to determine the collection was really 24hrs worth. ...Read more

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Dr. Joseph Woods
Board Certified, Pathology
22 years in practice
8M people helped
7

7
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

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Dr. Gurmukh Singh
Board Certified, Pathology
43 years in practice
95M people helped
8

8
What will cause my normetanesphrines and total metanesphrines to be elevated of my 24 hour urine test?

Pheochromocytoma: Urinary metanephrines are analyzed as a screening test for pheochromocytoma, a tumor of the adrenal gland that causes hypertension, often episodically. http://www.ncbi.nlm.nih.gov/pmc/articles/pmc2640466/. ...Read more

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Dr. Gurmukh Singh
Board Certified, Pathology
43 years in practice
95M people helped
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9
For a 24 hour urine test, is one supposed to collect ALL the urine in those 24 hours or just a little bit every time we go?

For a 24 hour urine test, is one supposed to collect ALL the urine in those 24 hours or just a little bit every time we go?

See below: On day one, go pee in the bathroom at 8am. After that collect all the urine in the container provided to you. On the second day pee in the container at 8 am. And that way you will collect 24 hour urine. Collect all the urine during the 24 hour period as described above. ...Read more

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Dr. Philip Kern
Board Certified, Endocrinology
37 years in practice
2M people helped
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24 hour urine catecholamine for a pheo- if a person does not have an episode during the 24 hours would it still show elevated levels. If so how?

24 hour urine catecholamine for a pheo-  if a person does not have an episode during the 24 hours would it still show elevated levels. If so how?

Usually, yes: A pheo usually secretes catecholamines continuously, so it is not usually necessary to time the collection. These catecholamines yield a lot of breakdown products (eg. metanephrines). However, in some circumstances, if there is a very high suspicion for pheo and the initial tests are negative, and the attacks are sporadic, a urine collection timed with the episode is reasonable. ...Read more

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Histamine (Definition)

Histamine is an organic nitrogen compound involved in local immune responses as well as regulating physiological function in the gut and acting as a neurotransmitter. Histamine triggers the inflammatory response. As part of an immune response to foreign pathogens, histamine is produced by basophils and by mast cells found ...Read more


Urinalysis (Definition)

It is a routine test on urine which tests for concentration of urine with specific gravity, screening for glucose, protein, blood, nitrites which is a screening test for infection.And microscopic exam for white blood cells ...Read more


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Dr. Peter Kurzweil
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44 years in practice
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