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HelpTest Code LAB3101 Growth Hormone Baseline
Clinical System Name
Growth Hormone Baseline
Synonyms
GH B
Sample Requirements
Specimen: Whole blood
Container(s): Red; Gold SST, Gold Microtainer, Lt. Green/ Lithium Heparin Microtainer, Dark Green/Sodium
Preferred Vol: 1.0 mL
Minimum Vol: 0.5 mL
Note: order GH B for baseline growth hormone prior to stimulation
order GH R for random growth hormone
Processing Instructions
Reject due to:
Spin: Y
Aliquot: Y
Temp: - 20 C
Storage location: CPA freezer, Fz2 rack. Serum/plasma should be removed from separator for storage. Label specimen and requisition with time of draw.
Off-site collection: Spin blood. Transfer serum/plasma to plastic aliquot container. Label specimen and requisition with time of draw.Send frozen.
Stability
| Specimen Type | Temperature | Time |
|---|---|---|
| gel separator with serum/plasma | Refrigerated | 8 h |
| separated serum/plasma | Room temp | 24 h |
| Refrigerated | 7 d | |
| Frozen -20 C | 2 m |
Availability
| STAT | Performed | TAT |
|---|---|---|
| N | T, Th, day shift | 2 - 6 d |
Performing Laboratory
Seattle Children's Laboratory
Department
Department: Chemistry
Location: Chem East
Phone Number: (206) 987-2617
CPT Codes
83003
Methodology
Method: Chemiluminescent Immunoassay on IDS iSYS
Analytical Volume: 0.30 mL serum
Limitations:
Reference Range
| Age | Baseline (Rest) (ng/mL) | After Stimulation (ng/mL) |
| 1 - 7 days | 0.7 - 18.2 | |
| 1 - 2 weeks | 0.0 - 12.3 | |
| > 2 weeks | 0 - 6.0 | >/= 6 |