ICD-10-CM > S00-T88 > T36-T50 > T38 > T38.0 > T38.0X > T38.0X6 T38.0X6 Underdosing of glucocorticoids and synthetic analogues Non-Billable/Non-Specific Codes T38.0X6A..., initial encounterT38.0X6D..., subsequent encounterT38.0X6S..., sequela