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T41 ⚠ Non-billable

Poisoning by, adverse effect of and underdosing of anesthetics and therapeutic gases

ICD-10-CM · FY2026 · Injury, Poisoning and Certain Other Consequences of External Causes

Code
T41
System
ICD-10-CM
Billable
No — use specific code
Effective
FY2026
Chapter
Injury, Poisoning and Certain Other Consequences of External Causes
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.

Official coding notes

From CMS's ICD-10-CM Tabular List.

Excludes1 — never code together
  • benzodiazepines (T42.4-)
  • cocaine (T40.5-)
  • complications of anesthesia during pregnancy (O29.-)
  • complications of anesthesia during labor and delivery (O74.-)
  • complications of anesthesia during the puerperium (O89.-)
  • opioids (T40.0-T40.2-)
7th character
  • The appropriate 7th character is to be added to each code from category T41

Frequently asked questions

What is ICD-10 code T41?
ICD-10-CM code T41 represents Poisoning by, adverse effect of and underdosing of anesthetics and therapeutic gases. It is a non-billable header code requiring a more specific subcategory in the Injury, Poisoning and Certain Other Consequences of External Causes chapter, effective October 1, 2025 – September 30, 2026.
Is T41 billable?
No. T41 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is T41 in?
T41 belongs to the Injury, Poisoning and Certain Other Consequences of External Causes chapter (S00–T88) of ICD-10-CM.

Related codes in the T41 category

T41.0 Poisoning by, adverse effect of and underdosing of inhaled anesthetics Non-billable T41.1 Poisoning by, adverse effect of and underdosing of intravenous anesthetics Non-billable T41.0X Poisoning by, adverse effect of and underdosing of inhaled anesthetics Non-billable T41.1X Poisoning by, adverse effect of and underdosing of intravenous anesthetics Non-billable T41.0X1 Poisoning by inhaled anesthetics, accidental (unintentional) Non-billable T41.0X2 Poisoning by inhaled anesthetics, intentional self-harm Non-billable T41.0X3 Poisoning by inhaled anesthetics, assault Non-billable T41.0X4 Poisoning by inhaled anesthetics, undetermined Non-billable

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