Aldosterone Urine ALDOSTU

Synonyms
Allscripts (AEHR) Order Name	Aldosterone, Urine
Sunrise Clinical Manager (SCM) Order Name	Aldosterone, Urine
Clinical Info	Study of adrenocortical-renin-angiotensin system; adrenal cortical function test; evaluate renal hypertension; diagnose Conn syndrome (primary aldosteronism); evaluate hypokalemia with hypertension
Specimen Type	Urine
Container	24hr Ur No Preserv
Collection Instructions	Container/Tube: 24 hr urine container no Preservative Alternate 1 gm Boric Acid maybe added as preservative for other tests. Specimen: 10 ml From 24 Hr Urine container (2 mL min) Adjust pH - pH must be 4 to 8. Transport Temperature: Refrigerated Note; Sample will be rejected if <2 pH. Patient Preparation If patient is taking diuretics, antihypertensive drugs, cyclic progestational agents, estrogen, or licorice, results for aldosterone may not be interpretable. Patient should be on a diet containing 135 mmol (3 g) sodium per day for at least two weeks and preferably 30 days prior to testing.
Transport Instructions	Refrigerated
Specimen Stability	Room temperature: 7 days Refrigerated: 28 days Frozen: 14 days
Methodology	Liquid chromatography/tandem mass spectrometry (LC/MS-MS)
Days Performed
Performing Laboratory	LabCorp
CPT	82088 LOINC Code: 1765-7
PDM	5900229
Result Interpretation • Pediatric:^1,2 − 0 to 3 days: 0.00−5.00 μg/24 hours − 4 days to 10 years: 0.00−8.00 μg/24 hours − >10 years: 0.00−19.00 μg/24 hours • Adults: − Low sodium intake: 20.00−80.00 μg/24 hours − Normal sodium intake: 0.00−19.00 μg/24 hours − High sodium intake: 0.00−12.00 μg/24 hours Post Florinef™ or IV saline supression 5 mcg/24 hours or less Creatinine, 24 Hour Urine Age (g/24 h) <3 years: Not established 3-8 years: 0.10-0.80 9-12 years: 0.20-1.40 13-17 years: 0.40-1.90 >17 years: 0.50-2.15 TAT: 7 - 10 Days
Forms