ICD-10-CM > S00-T88 > T36-T50 > T47 > T47.2 > T47.2X > T47.2X6 T47.2X6 Underdosing of stimulant laxatives Non-Billable/Non-Specific Codes T47.2X6A..., initial encounterT47.2X6D..., subsequent encounterT47.2X6S..., sequela