ICD-10-CM > S00-T88 > T51-T65 > T53 > T53.5 > T53.5X > T53.5X2 T53.5X2 Toxic effect of chlorofluorocarbons, intentional self-harm Non-Billable/Non-Specific Codes T53.5X2A..., initial encounterT53.5X2D..., subsequent encounterT53.5X2S..., sequela