T40.2X6 (Underdosing of other opioids) 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 underdosing of other opioids for clinical documentation, billing and epidemiological tracking.

ICD-10-CM · Category

T40.2X6 - Underdosing of other opioids

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

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Sub-codes under T40.2X6

T40.2X6AUnderdosing of other opioids, initial encounterT40.2X6DUnderdosing of other opioids, subsequent encounterT40.2X6SUnderdosing of other opioids, sequela

Related diagnoses

T40.2X1Poisoning by other opioids, accidental (unintentional)T40.2X2Poisoning by other opioids, intentional self-harmT40.2X3Poisoning by other opioids, assaultT40.2X4Poisoning by other opioids, undeterminedT40.2X5Adverse effect of other opioids

Common questions about T40.2X6 (Underdosing of other opioids)

What does ICD-10 code T40.2X6 mean?
T40.2X6 is the ICD-10-CM 2025 code for Underdosing of other opioids. 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 T40.2X6 a billable diagnosis code?
T40.2X6 is a category-level (umbrella) code rather than a billable specific code. For billing purposes, clinicians typically use a more specific sub-code under T40.2X6. Browse the sub-codes listed on this page.
Which ICD-10 chapter does T40.2X6 belong to?
T40.2X6 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 Underdosing of other opioids?
For a plain-language explanation of Underdosing of other opioids, ask GoDavaii's Health AI - it explains medical conditions in 90+ languages, free, with no signup. Tap "Ask GoDavaii AI about Underdosing of other opioids" 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 ↗