ICD-10-CM > S00-T88 > T36-T50 > T39 > T39.3 > T39.31 > T39.316 T39.316 Underdosing of propionic acid derivatives Non-Billable/Non-Specific Codes T39.316A..., initial encounterT39.316D..., subsequent encounterT39.316S..., sequela