HCPCS 'M' Modifiers - Free Medical Coding

M2Medicare secondary payer (msp)
MAOrdering 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

MBOrdering professional is not required to consult a clinical decision support mechanism due to the significant hardship exception of insufficient internet access
MCOrdering 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
MDOrdering professional is not required to consult a clinical decision support mechanism due to the significant hardship exception of extreme and uncontrollable circumstances

METhe order for this service adheres to appropriate use criteria in the clinical decision support mechanism consulted by the ordering professional
MFThe order for this service does not adhere to the appropriate use criteria in the clinical decision support mechanism consulted by the ordering professional
MGThe order for this service does not have applicable appropriate use criteria in the qualified clinical decision support mechanism consulted by the ordering professional

MHUnknown if ordering professional consulted a clinical decision support mechanism for this service, related information was not provided to the furnishing professional or provider
MSSix month maintenance and servicing fee for reasonable and necessary parts and labor which are not covered under any manufacturer or supplier warranty

HCPCS ‘M’ Modifiers