Using reasonable safeguards to protect phi from being accidentally released to those who do not need access to the information during an appropriate use or disclosure is called:

It is called " Minimum necessary standard".

Protected health information (PHI) refers to information under US law according to which it is any data about status of health, arrangement of medicinal services, or installment for social insurance that is made or gathered by a Covered Entity, and can be connected to a particular person.