G2155 HCPCS - PATIENT HAD HISTORY OF AT LEAST ONE OF THE FOLLOWING CONTRAINDICATIONS ANY TIME DURING OR BEFORE THE MEASUREMENT PERIOD: ANAPHYLAXIS DUE TO TDAP VACCINE, ANAPHYLAXIS DUE TO TD VACCINE OR ITS COMPONENTS; ENCEPHALOPATHY DUE TO TDAP OR TD VACCINATION (POST TETANUS VACCINATION ENCEPHALITIS, POST DIPHTHERIA VACCINATION ENCEPHALITIS OR POST PERTUSSIS VACCINATION ENCEPHALITIS.)