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Test Compendium

6107: OXALATE, QUANT, 24-HOUR URINE

Test Code

  • 6107

Test Synonym

  • Oxalate, Urine, 24Hr

Minimum Volume

  • 2.5 mL

Specimen Requirements

  • Urine

Container

  • 24 Hour Urine Container, Container- Urine

Storage

  • Ambient

Turn Around Time

  • 3 days

CPT Codes

  • 83945
    *The CPT codes provided are based on AMA guidelines and are provided for informational purposes only. CPT coding is the responsibility of the billing entity. Please direct any questions regarding the CPT coding to the payer being billed.

Special Instructions

  • State patient's age, sex, and total 24-hour urine volume on the request form and specimen. Specimens submitted without preservative should be acidified after receipt to pH <3 with 6N HCL prior to aliquot.

Additional Information

  • Instruct patient to void at 8 AM (or 8 PM) and discard the specimen. Then collect all urine including the final specimen voided at the end of the 24-hour collection period (ie, 8 AM (or 8 PM) the following day). Label container with patient's name and date and time collection started and finished. Measure and record total urine volume. Mix well. pH must be <3.

Specimen Stability

  • AMBIENT: 7 days REFRIGERATED: 7 days FROZEN: 14 days