Aldosterone LCMS, Serum
Test Code: 004374
Performing Lab: LabCorp
CPT Code: 82088 001
Specimen Type
Serum OR plasma
Specimen Container
Red-top tube, gel-barrier tube, OR lavender-top (EDTA) tube.
Volume
1.2 mL
Minimum Volume
1 mL (NOTE:This volume does NOT allow for repeat testing.)
Specimen Handling
If tube other than gel-barrier is used, transfer separated serum or plasma to a plastic transport tube.
Patient Prep
In order to facilitate interpretation of test results, the patient should be taken off medications for at least three weeks prior to sample collection. Dietary sodium levels during the period prior to testing can affect aldosterone levels. Reference intervals are based on the clinician's verification that the patient has been on a normal sodium diet. -Since patient posture prior to collection affects aldosterone levels, it is recommended that the patient be ambulatory for at least 30 minutes before blood collection. If inpatients are physically able, they should be asked to ambulate for 30 minutes before blood is drawn for aldosterone. Reference intervals are provided for patients who have ambulated for at least 30 minutes prior to collection (standing patients).
Unacceptable Conditions
Gross hemolysis; gross lipemia
Temperature
Refrigerate
Methodology
Liquid chromatography/tandem mass spectrometry (LC/MS-MS)
Stability
Room Temperature: 3 days
Refrigerated: 14 days
Frozen: 14 days
Refrigerated: 14 days
Frozen: 14 days
| Result Code | Result Name | LOINC |
|---|---|---|
| 004372 | Aldosterone | 1763-2 |
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