ICD-10-CM > S00-T88 > T51-T65 > T65 > T65.2 > T65.21 > T65.211 T65.211 Toxic effect of chewing tobacco, accidental (unintentional) Non-Billable/Non-Specific Applicable To Toxic effect of chewing tobacco NOS Codes T65.211A..., initial encounterT65.211D..., subsequent encounterT65.211S..., sequela