Medical necessity is an important concept in coding because one needs to be aware that different coding schemes together with medical necessities both work towards the same major goal that is extremely important if one wants to use them as they should be used.
The diaphragm is a type of birth control. It is a shallow, bendable cup that is put inside the vagina. A diaphragm prevents pregnancy acting as a barrier for sperm to entry the cervix and joining an releases egg. Sometimes, diaphragm is used together with cream or gel that kills sperm.
