ICD-10-CM > S00-T88 > T51-T65 > T65 > T65.8 > T65.84 > T65.844 T65.844 Toxic effect of xylazine, undetermined Non-Billable/Non-Specific Codes T65.844A..., initial encounterT65.844D..., subsequent encounterT65.844S..., sequela