You will be provided with a 24 hour collection container.
CAUTION: The collection container may contain a preservative in the form of a tablet or strong acid solution. Do not remove this solution from the container. This solution may cause burns to skin, fabric and many solid materials.
Do not urinate directly into the container.
Do not splash when pouring urine into the container. If contact occurs, flush are with water for 15 minutes and seek medical attention. Keep the container in an
Upright Position so it does not leak or spill. Seek medical attention if ingested.
Keep out of reach of children.
| Test |
Important Collection Notes: |
| 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.
- Do not collect urine in metal or glass urinals, pans or containers.
- Do not fill collection container past 3000mL. Arrange to pick up another collection container if needed.
- Females - Do not collect 24 hour urine while menstruating.
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| Creatine Clearance |
Have your blood drawn within 72 hours of starting 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. |
| 5-HIAA-Serotonin |
Contact your physician for approval before discontinuing any medications-
If possible, patient should be off all drugs for 4 days.
- Drugs that increase levels include: guaiacol (a common ingredient in cough syrups), acetaminophen, mephenesin, methcarbamol, and phenacetin.
- Drugs that decrease levels include: corticotrophin, ethanol, hydrazine, imipramine, isoniazid, levodopa, and MAO inhibitors.
Foods to Avoid:
For 2 day prior to and during the collection, avoid: avocadoes, bananas, tomatoes, plums, eggplant, hickory nuts, pineapple, and molluscs.
- Keep urine refrigerated during collection.
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Catecholamine
Includes: Epinephrine,
Norepinephrine,
Adrenaline,
Noradrenaline and Dopamine |
Contact your physician for approval before discontinuing any medications
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Discontinue Methyldopa (Aldomet) at least 5 days prior to collection.
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Hypertensive medications as well as any medication which may influence the in vivo production of the catecholamines should be discontinued for 2 days prior to the collection.
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Restrict caffeine, nicotine and alcohol for 24 hours prior to collection.
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Keep urine refrigerated during collection.
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Metanephrines
Includes
Normetanephrines |
Contact your physician for approval before discontinuing any medications
- Discontinue Methyldopa (Aldomet) at least 5 days prior to collection.
- Discontinue the use of Tylenol (Acetaminophen) for at least 3 days prior to and during the collection.
- Dopamine (used to treat Parkinson's disease) interferes in the chromatography.
- Restrict caffeine, nicotine and alcohol for 24 hours prior to collection.
- Keep urine refrigerated during collection.
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| Oxalate |
- For 48 hours prior to and during the collection, avoid excessive amounts of Vitamin C, or Vitamin C rich foods.
- Keep urine refrigerated during collection.
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| VMA - Vanillylmandelic Acids |
Contact your physician for approval before discontinuing any medications
- Discontinue Methyldopa (Aldomet) at least 5 days prior to collection.
- Restrict caffeine, nicotine and alcohol for 24 hours prior to collection.
- Keep urine refrigerated during collection.
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Steps:
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Collection Instructions:
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1.
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Confirm the collection container is labeled correctly with:
- your (patient) first and last name and
- another identifier such as the date of birth or healthcare number.
Incorrectly or incompletely labeled specimens will not be tested.
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2.
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Select a start time. Empty your bladder into the toilet as usual. Make a note of date and time, see example below. |
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3.
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Record this date and time on the collection container label as the start time and date.
Also record this date and time in the start time and date:__________space provided on the laboratory requisition.
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4.
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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 container. Urinate in a clean container (example, ice cream pail) first and 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.
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5.
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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.
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6.
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Record this time and date on the collection container label as the finish date and time. Also record the time and date in the finish date and time:__________space provided on the laboratory requisition.
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7.
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Wash hands thoroughly.
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8.
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Deliver the container(s) and lab requisition to the laboratory the same day the collection is finished.
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Example:
- First urine - is voided at 8:00am on September 1, into the toilet. Record the start date and time on the container label and requisition as September 1, 8:00am.
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- Second urine same day - is voided into a clean collection container and then poured into the collection container provided by the laboratory. This urine and all other urines within the next 24 hours are collected.
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- 24 hours from the first urine - urine is voided at 8:00am on September 2, into a clean collection container and then poured into the collection container provided by the laboratory. Record the finish date and time on the container label and requisition as September 2, 8:00am.
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If you have any questions or concerns, please contact the Laboratory.
For the results of your test, please contact your doctor.