Growth Hormone Stimulation
Test Mnemonic
GHSTM
CPT Codes
- 80428 - QTY (1)
Includes
- Growth Hormone Basal
- Growth Hormone 30 minutes
- Growth Hormone 60 minutes
- Growth Hormone 120 minutes
Performing Laboratory
Cleveland Clinic Laboratories
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 2 mL | Serum | SST (Gold) | Refrigerated | Draw baseline specimen, then 30, 60 and 120 minutes post stimulation. |
Minimum Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 0.5 mL | Draw baseline specimen, then 30, 60 and 120 minutes post stimulation. |
Stability
| Environmental Condition | Description |
|---|---|
| Ambient | 24 hours |
| Refrigerated | 7 days |
| Frozen | 14 days |
Days Performed
Mon - Fri
Turnaround Time
1 - 3 days
Methodology
| Name | Description |
|---|---|
| Immunoenzymatic Assay |
Reference Range
Special Info
Patient Preparation: 10 hour fast prior to collection.
Clinical Info
Evaluation of pituitary function for possible growth hormone deficiency.