Aldosterone, Urine

Test Code:  U24ALD
Assay Schedule:  T,Th,Sa
Reporting Schedule:  1 week
CPT:  82088

Collection

Specimen(s):
  • Urine, 24-hour

Acceptable Container(s):
  • 24-hour Urine container

Volume:
  • Preferred: 5.0mL
  • Minimum: 1.0mL

Stability:
  • Ambient: 2 hours
  • Refrigerated: 1 week (with preservative)
  • Frozen: 1 month

Processing & Shipping

Specimen Processing:
CRITICAL: Refrigerate urine during and after collection. Collect in a 24-hour urine container and mix well. Adjust pH by adding 1g boric acid/100mL urine. Aliquot urine into 2 transport tubes and freeze.

Shipping Instructions:
Ship frozen

Special Instructions:
Measure and record total volume and collection intervals on transport tubes and requisition.

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