T40.41 (Fentanyl or fentanyl analogs) is an umbrella ICD-10-CM medical diagnosis code in the Injury, poisoning and certain other consequences of external causes chapter. Poisoning by, adverse effect of and underdosing of fentanyl or fentanyl analogs

ICD-10-CM · Category

T40.41 - Poisoning by, adverse effect of and underdosing of fentanyl or fentanyl analogs

Fentanyl or fentanyl analogs

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

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Sub-codes under T40.41

T40.411Poisoning by fentanyl or fentanyl analogs, accidentalT40.412Poisoning by fentanyl or fentanyl analogs, self-harmT40.413Poisoning by fentanyl or fentanyl analogs, assaultT40.414Poisoning by fentanyl or fentanyl analogs, undeterminedT40.415Adverse effect of fentanyl or fentanyl analogsT40.416Underdosing of fentanyl or fentanyl analogs

Related diagnoses

T40.42Poisoning by, adverse effect of and underdosing of tramadolT40.49Other synthetic narcotics

Common questions about T40.41 (Fentanyl or fentanyl analogs)

What does ICD-10 code T40.41 mean?
T40.41 is the ICD-10-CM 2025 code for Fentanyl or fentanyl analogs. Poisoning by, adverse effect of and underdosing of fentanyl or fentanyl analogs. 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 T40.41 a billable diagnosis code?
T40.41 is a category-level (umbrella) code rather than a billable specific code. For billing purposes, clinicians typically use a more specific sub-code under T40.41. Browse the sub-codes listed on this page.
Which ICD-10 chapter does T40.41 belong to?
T40.41 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 Fentanyl or fentanyl analogs?
For a plain-language explanation of Fentanyl or fentanyl analogs, ask GoDavaii's Health AI - it explains medical conditions in 90+ languages, free, with no signup. Tap "Ask GoDavaii AI about Fentanyl or fentanyl analogs" 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 ↗