ICD-10-CM > S00-T88 > T36-T50 > T40 > T40.6 > T40.60 > T40.602 T40.602 Poisoning by unspecified narcotics, intentional self-harm Non-Billable/Non-Specific Codes T40.602A..., initial encounterT40.602D..., subsequent encounterT40.602S..., sequela