24 Hour Urine, Aldosterone Build info

Synonyms

  • ALDOSTERONE, URINE, 24 HOUR
  • ALDOSTERONE, URINE
  • LAB354

Short Name

ALDOSTERONE, 24U

Procedure Master Number

LAB354

Procedure ID

35203

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

Results

Component Name Base Name Common Name External Name
ALDOSTERONE 24 HR ALDOSTERUR ALDOSTERONE 24H UR
ALDOSTERONE 24 HR VOLUME ALDOSTERUR ALDOSTERONE 24H UR VOLUME
ALDOSTERONE, URINE ALDOSTERUR ALDOSTERONE URINE
ALDOSTERONE, URINE INTERVAL ALDOSTERUR ALDOSTERONE URINE INTERVAL