Cortisol, Right Adrenal Vein
Also known as: CORT RAV
Use
Cortisol, Right Adrenal Vein test is typically used in evaluating adrenal gland function, particularly in cases of suspected adrenal hyperfunction such as Cushing Syndrome. This test measures the cortisol levels obtained specifically from the right adrenal vein, which can provide insight into any asymmetries in hormone production between the adrenal glands. Such measurements are crucial for differentiating between pituitary-dependent and adrenal-dependent conditions, as well as for localizing primary bilateral adrenal conditions.
Special Instructions
This test requires an adrenal venous sampling procedure. It is important to collect the sample properly using a serum separator tube or various types of EDTA tubes as indicated. After collection, the specimen must be allowed to clot at room temperature and separated from cells as soon as possible or within 2 hours.
Limitations
The test does not have an established reference interval and should be interpreted in the context of clinical and other laboratory findings. Results could be affected by improper handling and storage conditions, such as delays in separating serum from cells or inappropriate temperature storage conditions. Repeated freeze/thaw cycles should also be avoided as they may lead to degradation of the sample and impact the results.
New York Approved
Methodology
Immunoassay (ECLIA)
Biomarkers
LOINC Codes
- 2143-6
Result Turnaround Time
1 day
Related Documents
For more information, please review the documents below
Specimen
Serum
Volume
1 mL
Minimum Volume
0.4 mL
Container
ARUP Standard Transport Tube
Collection Instructions
Allow specimen to clot completely at room temperature and separate from cells ASAP or within 2 hours of collection.
Patient Preparation
Adrenal venous sampling procedure is required.
Storage Instructions
Refrigerated
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 24 hours |
| Refrigerated | 4 days |
| Frozen | 12 months |