ICD-10-CM > S00-T88 > T51-T65 > T65 > T65.9 > T65.92 T65.92 Toxic effect of unspecified substance, intentional self-harm Non-Billable/Non-Specific Codes T65.92XA..., initial encounterT65.92XD..., subsequent encounterT65.92XS..., sequela