Growth Hormone, Six Specimens
Use
The Growth Hormone Six Specimens test is used to assess growth hormone levels over a series of multiple specimens drawn at different time points. This test is essential for diagnosing growth hormone disorders, monitoring growth hormone replacement therapy, and evaluating pituitary tumor activity. It involves collecting an initial baseline specimen, administering a treatment or stimulant, and then collecting further specimens at predetermined intervals to assess hormone secretion dynamics.
Special Instructions
This test requires special collection procedures, drawing multiple tubes at different time points after administering a treatment or stimulant. Ensure all clinicians are informed before collection starts. Patients taking biotin supplements should discontinue use at least 72 hours prior to sample collection to prevent interference with test results.
Limitations
The test may exhibit interference from high-dose biotin supplements, potentially leading to inaccurate results. Failure to adhere to the specific collection protocol may result in unrepresentative hormone dynamics. Laboratory methods may have variability, and external factors (e.g., patient compliance with preparation instructions) may affect results.
Methodology
Immunoassay
Biomarkers
LOINC Codes
- 12253-1
- 46963-5
- 49892-3
- 27888-7
- 27889-5
- 27881-2
- 27890-3
Result Turnaround Time
3-4 days
Related Documents
For more information, please review the documents below
Specimen
Serum
Volume
Not provided
Minimum Volume
Not provided
Collection Instructions
Collect initial tube as baseline; administer treatment, then collect subsequent tubes at specified intervals.
Patient Preparation
Patient should stop biotin consumption at least 72 hours before specimen collection.