ICD-10-CM > S00-T88 > T51-T65 > T65 > T65.2 > T65.21 T65.21 Toxic effect of chewing tobacco Non-Billable/Non-Specific Codes T65.211Toxic effect of chewing tobacco, accidental (unintentional)T65.211A..., initial encounterT65.211D..., subsequent encounterT65.211S..., sequelaT65.212Toxic effect of chewing tobacco, intentional self-harmT65.212A..., initial encounterT65.212D..., subsequent encounterT65.212S..., sequelaT65.213Toxic effect of chewing tobacco, assaultT65.213A..., initial encounterT65.213D..., subsequent encounterT65.213S..., sequelaT65.214Toxic effect of chewing tobacco, undeterminedT65.214A..., initial encounterT65.214D..., subsequent encounterT65.214S..., sequela