ICD-10-CM > S00-T88 > T36-T50 > T45 > T45.5 > T45.51 T45.51 Poisoning by, adverse effect of and underdosing of anticoagulants Non-Billable/Non-Specific Codes T45.511Poisoning by anticoagulants, accidental (unintentional)T45.511A..., initial encounterT45.511D..., subsequent encounterT45.511S..., sequelaT45.512Poisoning by anticoagulants, intentional self-harmT45.512A..., initial encounterT45.512D..., subsequent encounterT45.512S..., sequelaT45.513Poisoning by anticoagulants, assaultT45.513A..., initial encounterT45.513D..., subsequent encounterT45.513S..., sequelaT45.514Poisoning by anticoagulants, undeterminedT45.514A..., initial encounterT45.514D..., subsequent encounterT45.514S..., sequelaT45.515Adverse effect of anticoagulantsT45.515A..., initial encounterT45.515D..., subsequent encounterT45.515S..., sequelaT45.516Underdosing of anticoagulantsT45.516A..., initial encounterT45.516D..., subsequent encounterT45.516S..., sequela