Growth Hormone (GH)

Code:
GH

Sample Type:

Serum (Gold Top)

Minimum volume: 1 mL

Ref Ranges/Units:

Expected ranges vary significantly with time, age, sex, and clinical context (e.g. part of dynamic function test). Please contact the duty biochemist if further information or interpretation is required.

Units = ug/L

Turnaround:

Batch test (assayed twice per week).

Stability:

8 hours at 20-25°C 
1 days at 2-8°C 
1 month at –20C 
Freeze only once. 

Special Precautions/Comments:

Additional Information:

Growth hormone (GH) is a pituitary hormone which is secreted in a pulsatile manner and is important for normal human growth. GH also regulates the production of insulin growth factor 1 (IGF-1).

GH is measured in the investigation of growth hormone deficiency and growth hormone excess (acromegaly). Due to the pulsatile secretion and instability of GH, it is often measured alongside IGF-1. Both GH and IGF-1 are usually measured as part of a dynamic function test to assess the  hypothalamic/pituitary axis.

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