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Medical Forum / General / Laboratory / April 2005

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What role does acid preservative play in 24 hr urine collection for catecholamines?

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News Fan - 20 Apr 2005 02:48 GMT
What role does acid preservative play in 24hr urine collection for
catecholamines?

Does the acid prevent the breakdown of catecholamines?

Is a catecholamine test result valid from a 24 hr urine sample that has the
acid added after the completed sample is delivered to the lab?
Mike Collins - 25 Apr 2005 18:04 GMT
> What role does acid preservative play in 24hr urine collection for
> catecholamines?
>
> Does the acid prevent the breakdown of catecholamines?

Yes

> Is a catecholamine test result valid from a 24 hr urine sample that has the
> acid added after the completed sample is delivered to the lab?

Probably not
 
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