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Test Code APIVC Aldosterone, Inferior Vena Cava, Plasma


Specimen Required


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

Collection Container/Tube: Lavender top (EDTA)

Submission Container/Tube: Plastic vial

Specimen Volume: 1.6 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 plasma into a plastic vial.


Useful For

Investigation using inferior vena cava plasma 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)

Reporting Name

Aldosterone, IVC, P

Specimen Type

Plasma EDTA

Specimen Minimum Volume

1 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Plasma EDTA Frozen (preferred) 30 days
  Refrigerated  28 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

Report Available

2 to 5 days

Specimen Retention Time

14 days

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information

82088

LOINC Code Information

Test ID Test Order Name Order LOINC Value
APIVC Aldosterone, IVC, P 1763-2

 

Result ID Test Result Name Result LOINC Value
65425 Aldosterone, IVC, P 1763-2