hGH (Human Growth Hormone)

Abbreviation

hGH

Preferred Specimen

Serum

Minimum Volume

0.5mL

Collection Instructions

Routine Venipuncture

Transport Container

Draw tube or plastic pour off tube

Transport Temperature

Refrigerated

Stability

  • 2-8 C up to 48 hours
  • -20C for up to 12 months

Methodology

CLIA (Chemiluminescent Immunoassay)

Reference Ranges

  • Total population = 0.02-4.77 ng/mL
  • Healthy adult females= 0.06-6.88 ng/mL
  • Healthy adult males= 0.02-1.23 ng/mL
  • The secretion is influenced by time of day, physical exercise, sleep , stress, nutritional status, and is regulated by a number of factors like growth hormone-releasing hormone, insulin, glucose, insulin-like growth factor I (IGF-I).

Clinical Signifcance

Aids in the diagnosis of:

  1. Hormone deficiency, including delayed puberty and small stature in adolescents.
  2. Hormone excess, associated with giantism in young children or adolescents and acromegaly in adults.
  3. Used to evaluate growth hormone replacement therapy