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Lab Instructions
MHP Patient Instructions for 24 hour urine collection
Purpose: Your doctor has ordered a urine chemistry test that requires
you to save all urine for 24 hours.
Instructions:
- MHP Laboratory will give you a special container to collect
the urine. A preservative may be in the container. Do not throw
away the preservative. Preservatives can be caustic or toxic.
Be very careful to not spill the preservative on you or anything
else. If you do spill the preservative then immediately wash with
large amounts of water. Refrigerate the container during collection.
The urine must be kept cold.
- To begin your 24-hour collection, empty bladder and flush urine
down the toilet. Record the date and time on label attached to
your 24-hour urine container.
- For the next 24 hours add ALL urine into the bottle. Refrigerate
bottle between additions.
- End collection 24 hours after start time by emptying bladder
and adding final sample to the collection container.
- Record the ending date and time on label attached to your 24-hour
urine container.
- Return your urine specimen to Mercy Health Partners
Lab as soon as possible.
Mercy Health Partners Laboratory
Customer Service: (231) 672-6259
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