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T45.521

Non-billable

Poisoning by antithrombotic drugs, accidental (unintentional)

T45.521 is the ICD-10-CM code for Poisoning by antithrombotic drugs, accidental (unintentional). It is a non-billable category code — use a more specific child code such as T45.521A for billing.

Status
Header (non-billable)
Chapter
S00-T88
Parent
T45.52
Subcodes
3
Edition
FY2026

S00-T88 Injury, poisoning and certain other consequences of external causes

Includes

  • •Poisoning by antithrombotic drug NOS

Frequently asked questions

What is ICD-10 code T45.521?
T45.521 is the ICD-10-CM code for "Poisoning by antithrombotic drugs, accidental (unintentional)". It falls under S00-T88 Injury, poisoning and certain other consequences of external causes.
Is T45.521 a billable code?
No — T45.521 is a non-billable header code. Use a more specific child code (such as T45.521A) for billing.
What are the subcodes of T45.521?
T45.521 has 3 more specific child codes, including T45.521A, T45.521D, T45.521S.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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