Melanocyte Stimulating Hormone, Beta (b-MSH)
Also known as: MSH BETA
Use
The Melanocyte Stimulating Hormone, Beta (b-MSH) test measures Beta-melanocyte-stimulating hormone levels in the plasma. It is used primarily to assess endocrine function and may be useful in diagnosing and managing cases related to pituitary function, adrenal disorders, or other hormonal imbalances. As b-MSH is involved in various physiological processes, the test can aid in understanding its role in metabolic and cardiovascular functions as well as potential associations with other pathological conditions.
Special Instructions
Patients are advised to discontinue steroid, ACTH or hypertension medication, if possible, for at least 48 hours prior to the collection of the specimen. A morning fasting specimen is preferred to ensure accuracy in the results. The test is not performed at ARUP laboratories, so separate specimens must be submitted when multiple tests are ordered.
Limitations
This test has been developed and its performance characteristics determined by Inter Science Institute, however, it has not been cleared or approved by the US Food and Drug Administration. Values obtained from different methods, laboratories, or kits may not be directly comparable, and should not be used interchangeably. Additionally, the results cannot be interpreted as absolute evidence of the presence or absence of malignant disease, requiring comprehensive clinical correlation for accurate interpretation.
Methodology
Immunoassay (RIA)
Biomarkers
LOINC Codes
- 1950-5
Result Turnaround Time
15-20 days
Related Documents
For more information, please review the documents below
Specimen
Plasma
Volume
3 mL
Minimum Volume
1 mL
Container
ARUP standard transport tube
Collection Instructions
Collect blood in a lavender (K2 or K3EDTA) or pink (K2EDTA) tube. Separate from cells immediately or within 2 hours of collection. Transfer specified volume to transport tube and freeze immediately.
Patient Preparation
Discontinue steroid, ACTH or hypertension medication, if possible, for at least 48 hours prior to collection. A morning fasting specimen is preferred.
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | Unacceptable |
| Refrigerated | 24 hours |
| Frozen | 6 months |