Test Code AIVC Aldosterone, Inferior Vena Cava, Serum
Performing Laboratory
Mayo Clinic Laboratories in RochesterReporting Name
Aldosterone, IVCSpecimen Type
SerumSpecimen 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
Special Instructions
Day(s) Performed
Monday through Friday
Specimen Retention Time
14 daysReport Available
2 to 5 daysReference Values
No established reference values.
Useful For
Investigation using inferior vena cava 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 |
---|---|---|
AIVC | Aldosterone, IVC | 1763-2 |
Result ID | Test Result Name | Result LOINC Value |
---|---|---|
6503 | Aldosterone, IVC | 1763-2 |