Melanocyte Stimulation Hormone, Gamma (g-MSH)
Also known as: MSH GAMMA
Use
The Melanocyte Stimulation Hormone, Gamma (g-MSH) test is used to measure the level of gamma-melanocyte-stimulating hormone in the blood. This hormone plays a role in regulating skin pigmentation, appetite, and energy homeostasis. Elevated levels may be associated with certain endocrine disorders or pituitary dysfunction. Clinical applications of this test include the assessment of endocrine function and monitoring conditions that may alter hormone levels.
Special Instructions
It is important to discontinue the use of steroid, ACTH, or hypertension medication at least 48 hours before specimen collection if possible. This is to avoid any alterations in the hormone levels that could affect the test result. Note that the test is not performed at ARUP and separate specimens must be submitted for tests ordered simultaneously.
Limitations
The test results cannot be used as definitive evidence of the presence or absence of malignant disease. The values obtained are specific to the methodologies used by the Inter Science Institute and should not be compared directly with results from other laboratories using different methods or kits.
Methodology
Immunoassay (RIA)
Biomarkers
LOINC Codes
- 14162-2
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
Lavender (K2 or K3EDTA) or pink (K2EDTA)
Collection Instructions
Separate from cells ASAP or within 2 hours of collection. Transfer to an ARUP standard transport tube and freeze immediately.
Patient Preparation
Discontinue steroid, ACTH, or hypertension medication for at least 48 hours prior to collection.
Storage Instructions
CRITICAL FROZEN
Causes for Rejection
Ambient temperature storage
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | Unacceptable |
| Refrigerated | 24 hours |
| Frozen | 6 months |