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Test Compendium

Test Name

  • CREATINE, 24-HOUR URINE

Test Code

  • 2029

Test Synonym

  • Creatine, Urine, 24 Hr

Minimum Volume

  • 0.2 mL

Specimen Type

  • Urine

Primary Container

  • Container- Urine, Urine Tube, 24 Hour Urine Container

Transport Temp

  • Frozen

TAT

  • 5 days

Specimen Requirements

  • 2mL aliquot from a 24 hr collection - Frozen Immediately

Specimen Retention

  • Instruct the patient to void at 8 AM and discard the specimen. Then collect all the urine, including the final specimen voided at the end of the 24-hour collection period (ie, 8 AM the next morning). MEASURE AND RECORD on the test request form the 24-hour total volume. Mix well. Transfer the urine into a transport tube with screw cap. Label the container with the patient's name, date, and time collection started and finished. The specimen should be FROZEN immediately and maintained frozen until tested.