ICD-10-CM > S00-T88 > T36-T50 > T50 > T50.B > T50.B9 > T50.B96 T50.B96 Underdosing of other viral vaccines Non-Billable/Non-Specific Codes T50.B96A..., initial encounterT50.B96D..., subsequent encounterT50.B96S..., sequela