Growth Hormone
Ordering Recommendation
Aids in diagnosis of growth hormone excess or deficiency disorders.
Submit With Order
Quantitative Chemiluminescent Immunoassay
1-2 days
New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation
Patient must be fasting and at complete rest for 30 minutes before blood collection  
Plasma separator tube or serum separator tube. Also acceptable: Green (sodium or lithium heparin), lavender (EDTA), or pink (K2EDTA).  
Specimen Preparation
Allow specimen to clot completely at room temperature. Separate serum or plasma from cells ASAP or within 2 hours of collection. Transfer 1 mL serum or plasma to an ARUP Standard Transport Tube. (Min: 0.4 mL)  
Storage/Transport Temperature
Frozen. Also acceptable: Refrigerated.  
Unacceptable Conditions
Tissue or urine. Grossly hemolyzed or lipemic specimens.  
After separation from cells: Ambient: 24 hours; Refrigerated: 1 week; Frozen: 2 months  
Reference Interval
Effective May 20, 2013
Age Male Female
0-​6 years 0.10-​6.20 ng/mL 0.10-​6.20 ng/mL
7-​17 years 0.05-​11.00 ng/mL 0.05-​17.30 ng/mL
18 years and older 0.05-​3.00 ng/mL 0.05-​8.00 ng/mL
Interpretive Data
This Growth Hormone assay is now standardized to the Recombinant Second International Standard (IS): 98/574. Growth hormone results read approximately 25 percent lower than with the previous standards (FirstIS: 80/505). Reference ranges have also been modified according to the assay manufacturer.
CPT Code(s)
Component Test Code*Component Chart Name
0070080Growth Hormone
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Cross References
  • GH
  • GH testing
  • GHRH
  • Growth Hormone Stimulation
  • growth hormone, Serum
  • hGH
  • Human Growth Hormone
  • Somatotrophic Hormone
  • Somatotropin