Growth Hormone, Stimulation and Suppression Tests

Growth Hormone, Stimulation and Suppression Tests is a topic covered in the Davis's Lab & Diagnostic Tests.

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Somatotropic hormone, somatotropin, GH, hGH.

Common Use:
To assess pituitary function and evaluate the amount of secreted growth hormone to assist in diagnosing diseases such as giantism and dwarfism.

Serum collected in a gold-, red-, or red/gray-top tube.

Normal Findings:
(Method: Immunoassay)

Growth Hormone
AgeConventional UnitsSI Units (Conventional Units × 1)
Cord blood8–40 ng/mL8–40 mcg/L
1 d5–50 ng/mL5–50 mcg/L
1 wk5–25 ng/mL5–25 mcg/L
Child2–10 ng/mL2–10 mcg/L
 Male0–5 ng/mL0–5 mcg/L
 Female0–10 ng/mL0–10 mcg/L
 Male older than 60 yr0–10 ng/mL0–10 mcg/L
 Female older than 60 yr0–14 ng/mL0–14 mcg/L
Stimulation Tests
Rise above baselineGreater than 5 ng/mLGreater than 5 mcg/L
Peak responseGreater than 10 ng/mLGreater than 10 mcg/L
Suppression Tests0–2 ng/mL0–2 mcg/L

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TY - ELEC T1 - Growth Hormone, Stimulation and Suppression Tests ID - 425304 A1 - Bladh,Mickey Lynn, AU - Van Leeuwen,Anne M, BT - Davis's Laboratory & Diagnostic Tests UR - PB - F.A. Davis Company ET - 7 DB - Nursing Central DP - Unbound Medicine ER -