G8443 just means that all prescriptions created during the encounter were generated using a qualified e-prescribing system. G8445 means no prescriptions were generated during the encounter, provider does have access to a qualified e-prescribing system and G8446 means some or all prescriptions generated during the encounter were handwritten or phoned in due to one of the following: required by state law, patient request, or qualified e-prescribing system being temporarily inoperable.
Michele