Isolated Growth Hormone Deficiency, also known as non-acquired isolated growth hormone deficiency, is related to isolated growth hormone deficiency, type ib and isolated growth hormone deficiency type iii. An important gene associated with Isolated Growth Hormone Deficiency is POU1F1 (POU Class 1 Homeobox 1), and among its related pathways/superpathways is Hormonal control of pubertal growth spurt. The drugs Arginine and Hormones have been mentioned in the context of this disorder. Affiliated tissues include pituitary and b cells, and related phenotypes are delayed skeletal maturation and short stature