ICD-10-CM > S00-T88 > T36-T50 > T48 > T48.2 > T48.29 > T48.296 T48.296 Underdosing of other drugs acting on muscles Non-Billable/Non-Specific Codes T48.296A..., initial encounterT48.296D..., subsequent encounterT48.296S..., sequela