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Test Code CIVC Cortisol, Inferior Vena Cava, Serum

Reporting Name

Cortisol, IVC

Useful For

Testing cortisol levels in the inferior vena cava

 

Second-order testing wen cortisol measurement by immunoassay gives results that are not consistent with clinical symptoms, or if patients are known to, or suspected of, taking exogenous synthetic steroids

 

An adjunct in the differential diagnosis of primary and secondary adrenal insufficiency

 

An adjunct in the differential diagnosis of Cushing syndrome

Method Name

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

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Specimen Type

Serum


Ordering Guidance


For confirming the presence of synthetic steroids, order SGSS / Synthetic Glucocorticoid Screen, Serum.



Specimen Required


Collection Container/Tube: Red top

Specimen Volume: 1.5 mL

Submission Container/Tube: Plastic vial

Collection Instructions:

1. Morning (8 a.m.) and afternoon (4 p.m.) specimens are preferred.

2. Include time of collection.

3. Centrifuge and aliquot serum into a plastic vial.

Additional Information: If multiple specimens are collected, send a separate order for each specimen.


Specimen Minimum Volume

0.5 mL

Reject Due To

Gross hemolysis OK
Gross lipemia Reject
Gross icterus OK

Specimen Stability Information

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

Special Instructions

Reference Values

Not established

Day(s) Performed

Monday through Friday

CPT Code Information

82533

LOINC Code Information

Test ID Test Order Name Order LOINC Value
CIVC Cortisol, IVC 2143-6

 

Result ID Test Result Name Result LOINC Value
6347 Cortisol, IVC 2143-6

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