Sterile urine cup

or

5 mL

1 mL

1. Collect a random urine specimen from the patient.
2. Ensure the lid is secured tightly before sending it to the lab.
3. Ensure that no preservatives are used.

Refrigerate

1. Pour off urine into a labeled aliquot tube.
2. Sample stability may be prolonged by adding NaOH to raise the pH to > 8.0
3. Please click the Mayo link for a complete list of acceptable preservatives.
4. Centrifuge the urine aliquot.
5. Deliver the urine aliquot to the chemistry department.