MA Ordering professional is not required to consult a clinical decision support mechanism due to service being rendered to a patient with a suspected or confirmed emergency medical condition

MB Ordering professional is not required to consult a clinical decision support mechanism due to the significant hardship exception of insufficient internet access

MC Ordering professional is not required to consult a clinical decision support mechanism due to the significant hardship exception of electronic health record or clinical decision support mechanism vendor issues

MD Ordering professional is not required to consult a clinical decision support mechanism due to the significant hardship exception of extreme and uncontrollable circumstances

ME The order for this service adheres to appropriate use criteria in the clinical decision support mechanism consulted by the ordering professional

MF The order for this service does not adhere to the appropriate use criteria in the clinical decision support mechanism consulted by the ordering professional

MG The order for this service does not have applicable appropriate use criteria in the qualified clinical decision support mechanism consulted by the ordering professional

MH Unknown if ordering professional consulted a clinical decision support mechanism for this service, related information was not provided to the furnishing professional or provider