Payment for Certain Excluded Services
411.400Payment for custodial care and services not reasonable and necessary.411.402Indemnification of beneficiary.411.404Criteria for determining that a beneficiary knew that services were excluded from coverage as custodial care or as not reasonable and necessary.411.406Criteria for determining that a provider, practitioner, or supplier knew that services were excluded from coverage as custodial care or as not reasonable and necessary.411.408Refunds of amounts collected for physician services not reasonable and necessary, payment not accepted on an assignment-related basis.