ICD-10-CM > S00-T88 > T36-T50 > T38 > T38.9 > T38.90 > T38.904 T38.904 Poisoning by unspecified hormone antagonists, undetermined Non-Billable/Non-Specific Codes T38.904A..., initial encounterT38.904D..., subsequent encounterT38.904S..., sequela