24 Hour Urine Collection - Patient Instructions - Capital Health

Regional Laboratory Services
24 Hour Urine Collection - Patient Instructions Site Laboratory
Effective Date: March 30, 2009
RSLSCR00006
Version: 1.2
This document is applicable at site(s):
All Sites
24 Hour Urine Collection - Patient Instructions
Test Important Collection Notes Foods to Avoid
All Tests The accuracy of test results depends on the accuracy of the specimen
collection. Instructions must be followed carefully.
Collect in a clean environment.
It is important that dust from clothing not contribute to the specimen
contents.
Do not collect urine in metal or glass urinals, pans or containers.
FEMALES - Do not collect a 24 hour urine while menstruating.
Contact your physician for approval first.
For 3 days before and during collection avoid:
Catecholamine
VMA
Metanephrines
5-HIAA
Trace Elements
Oxalate
Creatinine
Clearance
• Acetaminophen (Tylenol)
• α-methyldopa (Aldomet)
• Buspirone (BuSpar, Apo or Novobuspirone)
• Codeine (222-292’s & Tylenol #1-4)
• Isoproterenol (Isuprel)
• Labetolol (Trandate)
• L-dopa (Dopar)
• Mandelamine (methenamine)
• MAO inhibitors (phenelzine,
tranylcypromine)
• Metoclopramide (Maxeran)
• Cimetidine
Contact your physician for approval first.
For 3 days before and during collection avoid:
• Acetaminophen (Tylenol)
• Gentisic Acid
• Dihydrocaffeic acid
• Melphalan
• Dihydrophenylacetic acid
• 3-Indoxysulfate
• Fluorouracil
• Urinate directly into the lab container, if possible.
• If not possible, urinate into plastic cups provided by the laboratory and
immediately pour it into the lab container.
• Do not rinse the plastic collection cups between uses. Contamination of the
specimen with water will affect the results
For 2 days before and during the collection avoid vitamin C (2 grams or
greater).
Have your blood drawn within 72 hours of start time or finish time of the 24-
hour urine collection. For convenience, have blood drawn when collection
containers are obtained or dropped off at the laboratory.
For 3 days before and
during collection:
• Bananas
• Caffeinated
beverages
• Chocolate
• Vanilla
• Peppers
For 3 days before and
during collection:
• Fruit & fruit juice
(especially
bananas, plums,
kiwi, pineapple)
• Nuts (especially
walnuts)
• Avocado, tomato,
egg plant
If testing for arsenic:
For 2 days before and
during collection:
• seafood
For 2 days before and
during collection:
• chocolate
• rhubarb
• spinach
Print Date: March 24, 2009 Page 1 of 2

24 Hour Urine Collection - Patient Instructions Site Laboratory
Effective Date: March 30, 2009
RSLSCR00006
Version: 1.2
CAUTION: The collection bottle may contain a preservative in the form of tablets or strong acid
solution which may burn your skin. DO NOT remove preservative from the bottle. Keep
the bottle upright so it does not spill. DO NOT urinate (pee) directly into the bottle. DO
NOT splash when pouring urine into the bottle. Keep out of reach of children. If liquid
in the bottle is spilled or splashed, wash immediately with water.
Step
Instructions
1. Confirm the collection container is labeled correctly with:
‣ your (the patient) first and last name and
‣ another identifier such as date of birth or healthcare number.
Incorrectly or incompletely labeled specimens will not be tested.
2. Select a start time. Empty your bladder into the toilet as usual. Make note of the time.
3. Record this time and date on the collection container label as the START TIME AND DATE. Also
record this time and date in the START TIME/DATE: _________ space provided on the laboratory
requisition.
4. Beginning the next time you urinate, collect and pour all urine into the container(s) provided, for a
complete 24 hour period.
Note: Do not urinate (pee) directly into the collection container. Urinate in a clean container (example,
ice cream pail) first, then pour the urine in the collection container. Replace the lid tightly after each
collection. Swirl gently to mix. Keep the container upright and in a cool, dark place.
5. Collect your final urine sample at the same time of day as the START TIME. Try to collect the last
sample at this time even if you do not feel the urge to urinate. Empty your bladder completely.
6. Record this time and date on the collection container label as the FINISH TIME AND DATE. Also
record this time and date in the FINISH TIME/DATE: _________ space provided on the laboratory
requisition.
7. Deliver the container(s) and lab requisition to the laboratory the same day the collection is finished.
Example:
• First urine – is voided at 8:00 a.m. on August 1, into the toilet. Record the start time
and date on the container label(s) and requisition as August 1, 8:00 a.m.
• Second urine same day – is voided into the collection cup or container provided by
the laboratory. This urine and all urines within the next 24 hours are collected.
• 24 hours from first urine – urine is voided at 8:00 a.m. on August 2, into the
collection container. Record the finish time and date on the container label(s) and
requisition as August 2, 8:00 a.m.
Print Date: March 24, 2009 Page 2 of 2