ICD-10-CM > S00-T88 > T36-T50 > T41 > T41.1 > T41.1X > T41.1X6 T41.1X6 Underdosing of intravenous anesthetics Non-Billable/Non-Specific Codes T41.1X6A..., initial encounterT41.1X6D..., subsequent encounterT41.1X6S..., sequela