International Commission on Radiological Protection (ICRP)

· Diagnostic reference levels (DRLs) should be used by regional, national and local authorized bodies. The numerical values of DRLs are advisory, however, implementation of the DRL concept may be required by an authorized body. · The concept of DRLs allows flexibility in their selection and implementation. · The Committee 3 advice does not specify quantities, numerical values or details of implementation for DRLs. This is the task of the regional, national and local authorized bodies, each of which should meet the needs in its respective area. · The Committee 3 rationale for its advice is that any reasonable and practical approach, consistent with the advice, will improve the management of patient doses in…