ICD-10-CM > S00-T88 > T36-T50 > T48 > T48.2 > T48.20 > T48.205 T48.205 Adverse effect of unspecified drugs acting on muscles Non-Billable/Non-Specific Codes T48.205A..., initial encounterT48.205D..., subsequent encounterT48.205S..., sequela