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Test Code: GH Preferred Name Growth hormone

No
N/A
Once / week
1 week
Medicare Item
N/A

Test Tubes

ImageSpecimen TypeSpecimen VolumeTube Type
Blood (adult)4 mLSST with gel 8.5 mL (Dark Yellow Top)
Blood (paediatric)1 mL2x SST with gel 600 uL Paed (Red or Yellow top)
Blood (neonatal)1 mL2x SST with gel 600 uL Paed (Red or Yellow top)

COLLECTION NOTES

This test is performed each weekday.

GENERAL NOTES



APPLICATION:  Pituitary and hypothalmic disorders causing growth abnormalities. Growth hormone as an isolated test is of limited value; dynamic tests are required for proper diagnosis.

INTERPRETATION:  Low levels which are not able to be stimulated occur in pituitary dwarfism in children.
High levels which cannot be suppressed are found in gigantism and acromegaly.

UNITS:  mU/L Ist I.S. WHO 80/505 1982.

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