ICD-10-CM > S00-T88 > T36-T50 > T36 > T36.1 > T36.1X > T36.1X1 T36.1X1 Poisoning by cephalosporins and other beta-lactam antibiotics, accidental (unintentional) Non-Billable/Non-Specific Applicable To Poisoning by cephalosporins and other beta-lactam antibiotics NOS Codes T36.1X1A..., initial encounterT36.1X1D..., subsequent encounterT36.1X1S..., sequela