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ALDOSTERONE, URINE

Mnemonic

ALDO U

Specimen Collection Requirements

Collect

Urine, 24-hour collection. Refrigerate during collection.

Handling

Add 1 gm boric acid per 100 mL urine. Transfer aliquot of urine from a 24-hour collection to a transport tube. Record the total volume and collection time interval on the transport tube and test request form.
ALSO ACCEPTABLE: Unpreserved urine if frozen immediately after collection or preserved urine if the pH of the specimen is adjusted to 2-4 with 6M HCl or 50% acetic acid.

Preferred Volume

5.0 mL aliquot

Minimum Volume

0.5 mL

Transport

Frozen

Stability

Ambient: 4 hours; Refrigerated (with preservative): 5 days ; Frozen: 1 month

Testing Information

Performed

Tue, Thur, Sat

Reported

5-7 days

Method

Quantitative Chemiluminescent Immunoassay

Referral Lab

ARUP (70480)

Reference Values

Reference Values

Interpretation provided.

CPT Codes

82088

Last Updated: Thursday, January 5, 2017 03:40:30 AM


Client Services: 503-413-1234