ICD-10-CM > S00-T88 > T36-T50 > T40 > T40.0 > T40.0X > T40.0X2 T40.0X2 Poisoning by opium, intentional self-harm Non-Billable/Non-Specific Codes T40.0X2A..., initial encounterT40.0X2D..., subsequent encounterT40.0X2S..., sequela