ICD-10-CM > S00-T88 > T36-T50 > T36 > T36.1 > T36.1X T36.1X Poisoning by, adverse effect of and underdosing of cephalosporins and other beta-lactam antibiotics Non-Billable/Non-Specific Codes T36.1X1Poisoning by cephalosporins and other beta-lactam antibiotics, accidental (unintentional)T36.1X1A..., initial encounterT36.1X1D..., subsequent encounterT36.1X1S..., sequelaT36.1X2Poisoning by cephalosporins and other beta-lactam antibiotics, intentional self-harmT36.1X2A..., initial encounterT36.1X2D..., subsequent encounterT36.1X2S..., sequelaT36.1X3Poisoning by cephalosporins and other beta-lactam antibiotics, assaultT36.1X3A..., initial encounterT36.1X3D..., subsequent encounterT36.1X3S..., sequelaT36.1X4Poisoning by cephalosporins and other beta-lactam antibiotics, undeterminedT36.1X4A..., initial encounterT36.1X4D..., subsequent encounterT36.1X4S..., sequelaT36.1X5Adverse effect of cephalosporins and other beta-lactam antibioticsT36.1X5A..., initial encounterT36.1X5D..., subsequent encounterT36.1X5S..., sequelaT36.1X6Underdosing of cephalosporins and other beta-lactam antibioticsT36.1X6A..., initial encounterT36.1X6D..., subsequent encounterT36.1X6S..., sequela