ICD-10-CM > S00-T88 > T36-T50 > T50 > T50.9 > T50.90 > T50.902 T50.902 Poisoning by unspecified drugs, medicaments and biological substances, intentional self-harm Non-Billable/Non-Specific Codes T50.902A..., initial encounterT50.902D..., subsequent encounterT50.902S..., sequela