Question 1

must i use an acid washed jug for my 24-hour urine collection?

Accepted Answer

Probably: The use depends on what you are looking for in the urine. This is commonly used for heavy metal testing.

Question 2

why is creatinine measured in a 24 hour urine collection?

Accepted Answer

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.

Question 3

what is the definition or description of: 24 hour urine creatine?

Accepted Answer

Creatinine excreted: You collect a 24 hour collection and determine how much creatinine is in the collection to assess how well your kidneys are working.

Question 4

what are the causes of elevated catecholamines in a 24 hour urine test?

Accepted Answer

Possible: adrenal over secretion or a tumor like a pheochromocytoma would be common causes

Question 5

why would one  need a 24 hour urine protein measurement?

Accepted Answer

Urine protein: When doctors are trying to determine how much protein a patient is losing in their urine, we often use a 24hour urine collection.  If done correctly, this can be very accurate for determining both protein loss and renal function.

Question 6

can i use citric acid as a preservative for 24-hour urine ?

Accepted Answer

Depends: What will the urine be tested for? Different tests require different preservatives. It would be prudent to ask your doctor. Consult the site below for a complete listing.

http://mayomedicallaboratories.com/it-mmlfiles/Urine_Preservatives10.pdf

Question 7

what does it cost for a 24 hour urine cortisol test in india?

Accepted Answer

Ask the lab: Hi. If your doc ordered a 24-hr urine cortisol, you should be able to get the price from the lab running the assay. On HealthTap, we're US physicians, and don't know lab prices in India. Good luck!

Question 8

what does a low metanephrine count mean in a 24 hour urine test?

Accepted Answer

Nothing: We're only concerned if it's high. Reference ranges are set so that a few percent of healthies fall outside on either side.

Question 9

what is carcinoid syndrome? can a 24 hour urine test diagnosis it?

Accepted Answer

Carcinoid syndrome: Is a constellation of symptoms resulting from carcinoid tumors, including flushing, diarrhea & cardiomyopathy. The tumor secretes serotonin & kallikrein . The most important early test is the 24 hour urine screen for 5-hiaa (5-hydroxy indol acetic acid) which is the end product of serotonin metabolism.

Question 10

doc order a cortisol free 24 hour urine collection and a metaneprine fractionated. are those two separate reports?

Accepted Answer

Yes: These are two separate tests. One is measuring the amount of cortisol in the urine over 24 hours period and the other is measuring the level of metanephrines in the urine. You will get two different reports. Hope this helps.

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Doctor answers about:

24 hour urine mercury

A member asked:

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

A member asked:

Why is creatinine measured in a 24 hour urine collection?

A member asked:

What is the definition or description of: 24 hour urine creatine?

A member asked:

What are the causes of elevated catecholamines in a 24 hour urine test?

A member asked:

Why would one need a 24 hour urine protein measurement?

A member asked:

Can i use citric acid as a preservative for 24-hour urine ?

A member asked:

What does it cost for a 24 hour urine cortisol test in india?

A member asked:

What does a low metanephrine count mean in a 24 hour urine test?

A member asked:

What is carcinoid syndrome? can a 24 hour urine test diagnosis it?

A member asked:

Doc order a cortisol free 24 hour urine collection and a metaneprine fractionated. are those two separate reports?

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