ICD-10-CM > S00-T88 > T51-T65 > T65 > T65.2 > T65.21 > T65.212 T65.212 Toxic effect of chewing tobacco, intentional self-harm Non-Billable/Non-Specific Codes T65.212A..., initial encounterT65.212D..., subsequent encounterT65.212S..., sequela