block
Antiarrhythmics
13 subordinate codes
XM2FU1Antiarrhythmics, class IaXM7844Antiarrhythmics, class IbXM0NC9Antiarrhythmics, class IcXM1AP6Antiarrhythmics, class IIIXM5JW0Other antiarrhythmics, class I and IIIXM0KK7AntidysrhythmicXM9ZL3Cardiac depressantsXM2W76Cardiac rhythm regulator specifiedXM88L7Cardiac rhythm regulatorXM0Y13PilsicainideXM64X0Prajmalium bitartrateXM1NG6QuinagluteXM7MH8Tiracizine