T40.2X4 (Poisoning by other opioids, undetermined) 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 other opioids, undetermined for clinical documentation, billing and epidemiological tracking.

ICD-10-CM · Category

T40.2X4 - Poisoning by other opioids, undetermined

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

Need plain-language info on this diagnosis?

Ask GoDavaii AI about Poisoning by other opioids, undetermined

Sub-codes under T40.2X4

T40.2X4APoisoning by other opioids, undetermined, initial encounterT40.2X4DPoisoning by other opioids, undetermined, subs encntrT40.2X4SPoisoning by other opioids, undetermined, sequela

Related diagnoses

T40.2X1Poisoning by other opioids, accidental (unintentional)T40.2X2Poisoning by other opioids, intentional self-harmT40.2X3Poisoning by other opioids, assaultT40.2X5Adverse effect of other opioidsT40.2X6Underdosing of other opioids

Common questions about T40.2X4 (Poisoning by other opioids, undetermined)

What does ICD-10 code T40.2X4 mean?
T40.2X4 is the ICD-10-CM 2025 code for Poisoning by other opioids, undetermined. 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 T40.2X4 a billable diagnosis code?
T40.2X4 is a category-level (umbrella) code rather than a billable specific code. For billing purposes, clinicians typically use a more specific sub-code under T40.2X4. Browse the sub-codes listed on this page.
Which ICD-10 chapter does T40.2X4 belong to?
T40.2X4 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 other opioids, undetermined?
For a plain-language explanation of Poisoning by other opioids, undetermined, ask GoDavaii's Health AI - it explains medical conditions in 90+ languages, free, with no signup. Tap "Ask GoDavaii AI about Poisoning by other opioids, undetermined" 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 ↗