ICD-10-CM > S00-T88 > T36-T50 > T45 > T45.7 > T45.7X > T45.7X4 T45.7X4 Poisoning by anticoagulant antagonists, vitamin K and other coagulants, undetermined Non-Billable/Non-Specific Codes T45.7X4A..., initial encounterT45.7X4D..., subsequent encounterT45.7X4S..., sequela