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Test Code ALAV Aldosterone, Left Adrenal Vein, Serum

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Reporting Name

Aldosterone, LAV

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.


Reject Due To

Gross hemolysis OK
Gross lipemia OK
Gross icterus OK

Specimen Stability Information

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

Specimen Minimum Volume

1 mL

Day(s) Performed

Monday through Friday

Specimen Retention Time

14 days

Report Available

2 to 5 days

Reference Values

No established reference values.

Useful For

Investigation using left 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)

CPT Code Information

82088

LOINC Code Information

Test ID Test Order Name Order LOINC Value
ALAV Aldosterone, LAV 1763-2

 

Result ID Test Result Name Result LOINC Value
6349 Aldosterone, LAV 1763-2