Calcium is the most plentiful mineral in the human body. Almost all of it â 99% â is stored in the skeleton, where it serves to maintain healthy bones and teeth.But that's not all it does. Calcium is also essential for the normal functioning of muscles, blood vessels, and nerves.Tiny amounts are dissolved in the fluid inside and outside every cell in the body. Too much or too little calcium can be deadly to those cells, so the body carefully controls its blood levels.alcium is the most plentiful mineral in the human body. Almost all of it â 99% â is stored in the skeleton, where it serves to maintain healthy bones and teeth.
Medical necessity is a United States legal doctrine, related to activities which may be justified as reasonable, necessary, and/or appropriate, based on evidence-based clinical standards of care.Other countries may have medical doctrines or legal rules covering broadly similar grounds.y statute, Medicare may only pay for items and services that are reasonable and necessary for the diagnosis or treatment of illness or injury or to improve the functioning of a malformed body member, unless there is another statutory authorization for payment.
medically necessary. A covered health service or treatment that is mandatory to protect and enhance the health status of a patient, and could adversely affect the patientâs condition if omitted, in accordance with accepted standards of medical practice.