ICD-10-CM > S00-T88 > T36-T50 > T50 > T50.9 > T50.90 > T50.903 T50.903 Poisoning by unspecified drugs, medicaments and biological substances, assault Non-Billable/Non-Specific Codes T50.903A..., initial encounterT50.903D..., subsequent encounterT50.903S..., sequela