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Test Compendium

6028: CITRIC ACID (CITRATE), URINE

Test Code

  • 6028

Test Synonym

  • Citrate, Urine, 24 Hr

Minimum Volume

  • 2.5 mL

Specimen Requirements

  • Urine

Container

  • 24 Hour Urine Container, Container- Urine

Storage

  • Refrigerated

Turn Around Time

  • 5 days

CPT Codes

  • 82507
    *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

  • Record entire 24-hour total volume on the request form. pH must be 1-3 or the sample FROZEN without the addition of acid.

Additional Information

  • Collect 24-hour urine with 30 mL 6N Hall. CAUTION: Strong acid. Mix well. Instruct the patient to void at 8 AM and discard the specimen. Then collect all urine including the final specimen voided at the end of the 24-hour collection period (i.e., 8 AM the next morning). Screw the lid on securely. Container must be labeled with patient's full name and date and time collection started and finished. Keep container refrigerated during collection. Preservative is not necessary during collection but should be added to urine collection within 24 hours. Final pH MUST be 1-3. Measure and record on the request form 24-hour total volume and send 25 mL aliquot to the laboratory. Alternatively, the sample may be FROZEN without added acid. Rejection - acetic or boric acid used as a preservative

Specimen Stability

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