ICD-10-CM > S00-T88 > T36-T50 > T38 > T38.3 > T38.3X > T38.3X6 T38.3X6 Underdosing of insulin and oral hypoglycemic [antidiabetic] drugs Non-Billable/Non-Specific Codes T38.3X6A..., initial encounterT38.3X6D..., subsequent encounterT38.3X6S..., sequela