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Test Code GH B Growth Hormone Baseline

Clinical System Name

 Growth Hormone Baseline

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: gross lipemia, gross hemolysis

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.


Specimen Type Temperature Time
gel separator with serum/plasma Refrigerated 8 h
separated serum/plasma Room temp  
  Refrigerated 8 h
  Frozen -20 C 2 m



STAT Performed TAT
N T, Th, day shift 2 - 5 d


Performing Laboratory

Seattle Children's Laboratory    


Department:  Chemistry

Location: Chem East

Phone Number:  (206) 987-2617

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




Method: Chemiluminescent Immunoassay on IDS iSYS

Analytical Volume: 0.30 mL serum


CPT Codes