ICD-10-CM > S00-T88 > T36-T50 > T48 > T48.2 > T48.29 > T48.294 T48.294 Poisoning by other drugs acting on muscles, undetermined Non-Billable/Non-Specific Codes T48.294A..., initial encounterT48.294D..., subsequent encounterT48.294S..., sequela