IGF I (Somatomedin C)
Sample: Serum (store frozen)
Schedule: Daily
Units: ng/mL
Range:
140 - 300 Puberty Stg.I
200 - 350 Puberty Stg.II
225 - 660 Puberty Stg.III
350 - 850 Puberty Stg.IV
150 - 560 17 - 20 y.o.
150 - 560 17 - 20 y.o.
90 - 370 21 - 25 y.o.
90 - 270 26 - 30 y.o.
90 - 225 31 - 40 y.o.
Remarks: IGF 1 (Insulin-like Growth Factor 1) is used for diagnosis of acromegaly,for assessing hypopituitarism and hypothalamic lesions in childhold. Malnutrition produces low IGF 1 levels while Growth Hormone levels remain within normal ranges.High values occur with adolescence, true precocious puberty, pregnancy, obesity, pituitary gigantism and acromegaly.
