18-Hydroxycorticosterone by Mass Spectrometry
Also known as: 18 HYDRO
Use
The 18-Hydroxycorticosterone test is used to measure the levels of 18-Hydroxycorticosterone in serum or plasma, which can help in the diagnosis and management of conditions related to adrenal gland disorders. This test provides quantitative reporting of 18-Hydroxycorticosterone levels, which may be elevated or reduced in various endocrine conditions.
Special Instructions
This test is not performed at ARUP Laboratories, and separate specimens must be submitted when multiple tests are ordered. The test requires critical handling since the specimen must be separated from cells within 1 hour of collection and frozen immediately.
Limitations
The performance characteristics of this test, including sensitivity and specificity, have not been evaluated by the FDA, as it has not been cleared or approved. It is important to handle and transfer specimens properly to avoid degradation and ensure accurate measurements. Conditions like improper freezing or delays in processing may affect results.
New York Approved
Methodology
Mass Spectrometry
Biomarkers
LOINC Codes
- 1674-1
Result Turnaround Time
3-16 days
Related Documents
For more information, please review the documents below
Specimen
Serum
Volume
3 mL
Minimum Volume
1 mL
Container
ARUP standard transport tube
Collection Instructions
Collect in SST or PPT. Also acceptable: Lavender (EDTA) or green (sodium heparin) tubes.
Storage Instructions
Separate from cells within 1 hour of collection and freeze immediately.
Causes for Rejection
Ambient or refrigerated specimens are unacceptable.
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | Unacceptable |
| Refrigerated | Unacceptable |
| Frozen | 3 months |
Other tests from different labs that may be relevant