ICD-10-CM > S00-T88 > T36-T50 > T40 > T40.4 > T40.49 > T40.492 T40.492 Poisoning by other synthetic narcotics, intentional self-harm Non-Billable/Non-Specific Codes T40.492A..., initial encounterT40.492D..., subsequent encounterT40.492S..., sequela