Standard: Other practitioners. If the ASC assigns patient care responsibil- ities to practitioners other than physi- cians, it must have established policies and procedures, approved by the gov- erning body, for overseeing and evalu- ating their clinical activities. § 416.46 Condition for coverage—Nurs- ing services. The nursing services of the ASC must be directed and staffed to assure that the nursing needs of all patients are met.