ICD-10-CM > S00-T88 > T36-T50 > T45 > T45.5 > T45.52 > T45.521 > T45.521D T45.521D Poisoning by antithrombotic drugs, accidental (unintentional), subsequent encounter Billable/Specific Copy Code Copy Description Applicable To Poisoning by antithrombotic drug NOS