ICD-10-CM > S00-T88 > T36-T50 > T44 > T44.7 > T44.7X > T44.7X1 T44.7X1 Poisoning by beta-adrenoreceptor antagonists, accidental (unintentional) Non-Billable/Non-Specific Applicable To Poisoning by beta-adrenoreceptor antagonists NOS Codes T44.7X1A..., initial encounterT44.7X1D..., subsequent encounterT44.7X1S..., sequela