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Test Compendium


Test Code

  • 6009

Test Synonym

  • Aldosterone, 24 hr. Urine

Minimum Volume

  • 10 mL

Specimen Requirements

  • Urine


  • 24 Hour Urine Container, Container- Urine


  • Refrigerated

Turn Around Time

  • 6 days

CPT Codes

  • 82088
    *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

  • Instructions for suppression/stimulation tests that involve serum aldosterone measurement can be found in the Endocrine Dynamic Testing Appendix.

Additional Information

  • 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) into the plastic urine container. Screw the lid on securely. Transport the specimen promptly to the laboratory. Container MUST be labeled with patient's full name, date and time collection started, and date and time collection finished.

Specimen Stability

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