ALERT CONTENT PLACEHOLDER

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Hours

Location

Contact

Hours

Location

Contact

Hours

Location

Contact

Hours

 What to Expect

Instructions for a 24-Hour Urine Collection

When collecting a 24-hour specimen, you must start the collection in the morning.

The first morning specimen should be discarded and all urine after that should be collected in the bottle over a 24-hour period (i.e., start at 8:00 am day 1, discard the first specimen and finish at 8:00 am day 2 ensuring that the morning urine is collected). The specimen must be kept refrigerated during the 24 hours and until the time it is returned to the Diagnostic Test Centre. Please indicate on sheet of paper, date and time started and date and time finished.

DO NOT void directly into 24-hour urine bottle as the container may have a preservative added which may be corrosive. In case of contact with skin, flush with plenty of water.

5-HIAA

  • If you are having, a 24-hour urine test for 5-HIAA, please avoid eating walnuts, hickory nuts, avocados, banana, tomatoes, eggplant, pineapples, plums and molluscs two days prior to and during collection. Do not take Indomenthacin and Naproxen 3 days before and during collection, as these drugs may interfere with your test.

Cathecholamine Metanephrine V MA

  • If you are having a 24-hour urine test for Cathecholamine Metanephrine V MA, restrict caffeine, nicotine and alcohol for 24 hours prior to and during collection.

17-Hydroxycorticosteroids

  • If you are having a 24-hour urine test for 17-Hydroxycorticosteroids, restrict drugs for 72 hours prior to and during collection.

Hydroxyproline

  • If you are having a 24-hour urine test for Hydroxyproline, a controlled diet free of gelatin and low in collagen is required and all meat, fish, poultry, sweet products (jam, ice cream, etc.) are to be eliminated at least 24 hours prior to and during collection.

The Results of the 24-Hour Urine Collection

Once the report is in your health record, your doctor can review it. You will get the results of the test from your doctor. The technologist cannot give you the results during your visit.​

 Materials and Resources to Help You

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