101 CMR 304.07
Modifiers for Provider Preventable Conditions That Are National Coverage Determinations
The following are modifiers for use in reporting provider preventable conditions that are
National Coverage Determinations. For more information on the use of these modifiers, see
Appendix V of the MassHealth Community Health Center Manual.
Modifier
Description
PA
Surgical or other invasive procedure on wrong body part
PB
Surgical or other invasive procedure on wrong patient
PC
Wrong surgery or other invasive procedure on patient