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Geisinger Medical Laboratories Test Catalog
ALDOSTERONE/PLASMA RENIN ACTIVITY RATIO, LC/MS/MS |
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ORDERING INFORMATION: |
Geisinger Epic Procedure Code: LAB1542 Geisinger Epic ID: 26816 | |
SPECIMEN COLLECTION |
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Specimen type: |
Plasma | |
Preferred collection container: |
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Alternate Collection Container: |
6 mL pink-top K2 EDTA tube
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Specimen required: |
1.8 mL aliquot plasma; minimum 0.8 mL. Please submit a separate frozen aliquot for this test. It may not be combined with any other test requiring a frozen aliquot. | |
Patient preparation: |
Patient should be ambulatory for 30 minutes before draw. | |
| SPECIMEN PROCESSING |
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Specimen processing instructions: |
Centrifuge and aliquot. Freeze and ship samples on dry ice. | |
Transport temperature: |
Frozen. | |
Specimen stability: |
Room temperature: 24 hours. Refrigerated: 24 hours. Frozen: 28 days. | |
Rejection criteria: |
Room temperature and refrigerated specimens unacceptable. Plasma collected in plasma separator tube unacceptable. Moderate to gross hemolysis. | |
TEST DETAILS |
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CPT code(s): |
82088, 84244 | |
| Note: The billing party has sole responsibility for CPT coding. Any questions regarding coding should be directed to the payer being billed. The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only. | ||
Test includes: |
Aldosterone, plasma renin activity. | |
Methodology: |
Chromatography/Mass Spectrometry |
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Synonyms: |
ARENR, Aldosterone renin ratio Quest test code 16845
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Clinical significance: |
The aldosterone-renin ratio is used to screen for primary aldosteronism. | |