Obstetrics and gynecology (OB GYN) is a branch of medical science that focuses on the healthcare of females during all phases of pregnancy. Moreover, It also deals with all services and medical facilities provided to a mother after childbirth. OB GYN medical billing and coding is a process of translating all such services and procedures into standardized codes. These codes are submitted to insurance providers for claiming reimbursements. OB GYN focuses on the diagnosis and treatment of diseases related to female reproductive organs. Apart from that, it also deals with menopause, hormone imbalances, contraception, and infertility.