Poisoning by anticoagulants, accidental, init

This code signifies an adverse health event resulting from the accidental or unintentional ingestion, exposure, or overdose of anticoagulant medications. It indicates that the patient is in the initial phase of treatment for this poisoning.

Apply this code when a patient presents to an emergency department or clinic due to an accidental overdose of blood thinners, such as warfarin or novel oral anticoagulants (NOACs). This includes scenarios where a child inadvertently consumes an anticoagulant or an adult mistakenly takes an incorrect dose.

• Requires an external cause code (e.g., X44.XXXA for accidental poisoning by drugs) to fully describe the event.
• Always confirm the intent of the poisoning (accidental vs. intentional self-harm or assault) to select the correct subcategory.
• The "initial encounter" seventh character indicates the patient is receiving active treatment for the condition.