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Test Code ARAV Aldosterone, Right Adrenal Vein, Serum

Additional Codes

Hospital Order Code
Lab2608   MISMGO

Reporting Name

Aldosterone, RAV

Useful For

Investigation using right adrenal vein specimen for:

-Primary aldosteronism (eg, adrenal adenoma/carcinoma and adrenal cortical hyperplasia)

-Secondary aldosteronism (renovascular disease, salt depletion, potassium loading, cardiac failure with ascites, pregnancy, Bartter syndrome)

Method Name

Liquid Chromatography Tandem Mass Spectrometry (LC-MS/MS)

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Specimen Type

Serum


Specimen Required


Patient Preparation: Spironolactone (Aldactone) should be discontinued for 4 to 6 weeks before testing. The plasma renin activity cannot be interpreted if the patient is being treated with spironolactone.

Collection Container/Tube:

Preferred: Red top

Acceptable: Serum gel

Submission Container/Tube: Plastic vial

Specimen Volume: 1.8 mL

Collection Instructions:

1. See Renin-Aldosterone Studies for detailed instructions.

2. The recommended collection time is 8 a.m., after the patient is active for approximately 2 hours. Try to collect the specimen as close to that time as possible and no later than 10 a.m.

3. Centrifuge and aliquot serum into a plastic vial.


Specimen Minimum Volume

1 mL

Specimen Stability Information

Specimen Type Temperature Time
Serum Refrigerated (preferred) 28 days
  Frozen  30 days
  Ambient  4 days

Reject Due To

Gross hemolysis OK
Gross lipemia OK
Gross icterus OK

Reference Values

No established reference values.

Day(s) Performed

Monday through Friday

CPT Code Information

82088

LOINC Code Information

Test ID Test Order Name Order LOINC Value
ARAV Aldosterone, RAV 1763-2

 

Result ID Test Result Name Result LOINC Value
6348 Aldosterone, RAV 1763-2

Test Classification

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.

Report Available

2 to 5 days