ICD-10-CM > S00-T88 > T36-T50 > T45 > T45.5 > T45.52 T45.52 Poisoning by, adverse effect of and underdosing of antithrombotic drugs Non-Billable/Non-Specific Applicable To Poisoning by, adverse effect of and underdosing of antiplatelet drugs Type 2 Excludes poisoning by, adverse effect of and underdosing of aspirin (T39.01-)poisoning by, adverse effect of and underdosing of acetylsalicylic acid (T39.01-) Codes T45.521Poisoning by antithrombotic drugs, accidental (unintentional)T45.521A..., initial encounterT45.521D..., subsequent encounterT45.521S..., sequelaT45.522Poisoning by antithrombotic drugs, intentional self-harmT45.522A..., initial encounterT45.522D..., subsequent encounterT45.522S..., sequelaT45.523Poisoning by antithrombotic drugs, assaultT45.523A..., initial encounterT45.523D..., subsequent encounterT45.523S..., sequelaT45.524Poisoning by antithrombotic drugs, undeterminedT45.524A..., initial encounterT45.524D..., subsequent encounterT45.524S..., sequelaT45.525Adverse effect of antithrombotic drugsT45.525A..., initial encounterT45.525D..., subsequent encounterT45.525S..., sequelaT45.526Underdosing of antithrombotic drugsT45.526A..., initial encounterT45.526D..., subsequent encounterT45.526S..., sequela