ICD-10-CM > S00-T88 > T36-T50 > T44 > T44.9 > T44.90 > T44.903 T44.903 Poisoning by unspecified drugs primarily affecting the autonomic nervous system, assault Non-Billable/Non-Specific Codes T44.903A..., initial encounterT44.903D..., subsequent encounterT44.903S..., sequela