Hypothyroidism, Congenital, Nongoitrous, 4, also known as tsh deficiency, is related to hypothyroidism, congenital, nongoitrous, 1 and graves disease 1. An important gene associated with Hypothyroidism, Congenital, Nongoitrous, 4 is TSHB (Thyroid Stimulating Hormone Subunit Beta), and among its related pathways/superpathways are Peptide hormone metabolism and Growth hormone receptor signaling. The drugs Sodium citrate and Citric acid have been mentioned in the context of this disorder. Affiliated tissues include thyroid and pituitary, and related phenotypes are hypothyroidism and decreased thyroid-stimulating hormone level