For other uses, see Killeen (disambiguation). Killeen is a city in Bell County, Texas, United States. According to the recent populations estimates, the city's population was 140,806, making it the 21st most populous city in Texas. It is the principal city of the KilleenâTempleâFort Hood Metropolitan Statistical Area.
CAQH is a non-profit alliance of health plans and trade associations, developing and leading initiatives that positively impact the business of healthcare. Consider how joining CAQH may be the right career choice for you.
Congenital adrenal hyperplasia (CAH) is a group of genetic conditions that can be caused by a change (mutation) in several different genes: 1  21-hydroxylase deficiency is caused by mutations in the CYP21A2 gene. 2  3-beta-hydroxysteroid dehydrogenase deficiency is caused by mutations in the HSD3B2 gene.