ICD-10-CM > S00-T88 > T51-T65 > T65 > T65.2 > T65.22 T65.22 Toxic effect of tobacco cigarettes Non-Billable/Non-Specific Applicable To Toxic effect of tobacco smoke Use Additional code for exposure to second hand tobacco smoke (Z57.31, Z77.22) Codes T65.221Toxic effect of tobacco cigarettes, accidental (unintentional)T65.221A..., initial encounterT65.221D..., subsequent encounterT65.221S..., sequelaT65.222Toxic effect of tobacco cigarettes, intentional self-harmT65.222A..., initial encounterT65.222D..., subsequent encounterT65.222S..., sequelaT65.223Toxic effect of tobacco cigarettes, assaultT65.223A..., initial encounterT65.223D..., subsequent encounterT65.223S..., sequelaT65.224Toxic effect of tobacco cigarettes, undeterminedT65.224A..., initial encounterT65.224D..., subsequent encounterT65.224S..., sequela