T40.421 (Poisoning by tramadol, accidental (unintentional)) is an umbrella ICD-10-CM medical diagnosis code in the Injury, poisoning and certain other consequences of external causes chapter. It identifies cases of poisoning by tramadol, accidental (unintentional) for clinical documentation, billing and epidemiological

ICD-10-CM · Category

T40.421 - Poisoning by tramadol, accidental (unintentional)

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

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Sub-codes under T40.421

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Common questions about T40.421 (Poisoning by tramadol, accidental (unintentional))

What does ICD-10 code T40.421 mean?
T40.421 is the ICD-10-CM 2025 code for Poisoning by tramadol, accidental (unintentional). ICD-10-CM is the medical coding system used by clinicians, hospitals and insurers in the United States to classify diseases and conditions in a standard way.
Is T40.421 a billable diagnosis code?
T40.421 is a category-level (umbrella) code rather than a billable specific code. For billing purposes, clinicians typically use a more specific sub-code under T40.421. Browse the sub-codes listed on this page.
Which ICD-10 chapter does T40.421 belong to?
T40.421 belongs to the chapter "Injury, poisoning and certain other consequences of external causes" (codes S00-T88). ICD-10-CM organises codes into 22 chapters by body system or condition type, which helps clinicians navigate related diagnoses.
Where can I get plain-language information about Poisoning by tramadol, accidental (unintentional)?
For a plain-language explanation of Poisoning by tramadol, accidental (unintentional), ask GoDavaii's Health AI - it explains medical conditions in 90+ languages, free, with no signup. Tap "Ask GoDavaii AI about Poisoning by tramadol, accidental (unintentional)" above to get a personalised answer.

Source: ICD-10-CM 2025 (Centers for Medicare & Medicaid Services, public domain). Codes valid from October 1, 2024. CMS source ↗