T41 Poisoning by, adverse effect of and underdosing of anesthetics and therapeutic gases

⚠ Non-Billable ICD-10-CM 2026
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The ICD-10-CM code for Poisoning by, adverse effect of and underdosing of anesthetics and therapeutic gases is T41 (FY2026). It is a non-billable category code — select a more specific code below for claims.

Classification

Section
T36-T50: Poisoning by, adverse effects of and underdosing of drugs, medicaments and biological substances (T36-T50)
Category T41
55 codes (42 billable)
FY2026 Status
Stable since FY2024
Excludes1
Not coded here. These conditions should NOT be coded together with T41.
  • 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-)

Official Coding Guidelines

Sequence blood vessel/nerve injury first (fragment)

injury is to the blood vessels or nerves, that injury should be sequenced first.

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.19.b.2
Do not assign injury codes for iatrogenic injuries; code complication

3) Iatrogenic injuries Injury codes from Chapter 19 should not be assigned for injuries that occur during, or as a result of, a medical intervention. Assign the appropriate complication code(s).

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.19.b.3

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

Cite This Page

Reference T41 with the canonical source and edition:

T41 — Poisoning by, adverse effect of and underdosing of anesthetics and therapeutic gases. ICD-10 Coding Pro (ICD-10-CM FY2026). https://icd10codingpro.com/codes/T41

Canonical URL: https://icd10codingpro.com/codes/T41

Related Codes

All Codes in T41

Every most-specific code under T41 Poisoning by, adverse effect of and underdosing of anesthetics and therapeutic gases (42 codes):

Show the complete T41 code list
T41.0X1 Poisoning by inhaled anesthetics, accidental (unintentional) T41.0X2 Poisoning by inhaled anesthetics, intentional self-harm T41.0X3 Poisoning by inhaled anesthetics, assault T41.0X4 Poisoning by inhaled anesthetics, undetermined T41.0X5 Adverse effect of inhaled anesthetics T41.0X6 Underdosing of inhaled anesthetics T41.1X1 Poisoning by intravenous anesthetics, accidental (unintentional) T41.1X2 Poisoning by intravenous anesthetics, intentional self-harm T41.1X3 Poisoning by intravenous anesthetics, assault T41.1X4 Poisoning by intravenous anesthetics, undetermined T41.1X5 Adverse effect of intravenous anesthetics T41.1X6 Underdosing of intravenous anesthetics T41.201 Poisoning by unspecified general anesthetics, accidental (unintentional) T41.202 Poisoning by unspecified general anesthetics, intentional self-harm T41.203 Poisoning by unspecified general anesthetics, assault T41.204 Poisoning by unspecified general anesthetics, undetermined T41.205 Adverse effect of unspecified general anesthetics T41.206 Underdosing of unspecified general anesthetics T41.291 Poisoning by other general anesthetics, accidental (unintentional) T41.292 Poisoning by other general anesthetics, intentional self-harm T41.293 Poisoning by other general anesthetics, assault T41.294 Poisoning by other general anesthetics, undetermined T41.295 Adverse effect of other general anesthetics T41.296 Underdosing of other general anesthetics T41.3X1 Poisoning by local anesthetics, accidental (unintentional) T41.3X2 Poisoning by local anesthetics, intentional self-harm T41.3X3 Poisoning by local anesthetics, assault T41.3X4 Poisoning by local anesthetics, undetermined T41.3X5 Adverse effect of local anesthetics T41.3X6 Underdosing of local anesthetics T41.41 Poisoning by unspecified anesthetic, accidental (unintentional) T41.42 Poisoning by unspecified anesthetic, intentional self-harm T41.43 Poisoning by unspecified anesthetic, assault T41.44 Poisoning by unspecified anesthetic, undetermined T41.45 Adverse effect of unspecified anesthetic T41.46 Underdosing of unspecified anesthetics T41.5X1 Poisoning by therapeutic gases, accidental (unintentional) T41.5X2 Poisoning by therapeutic gases, intentional self-harm T41.5X3 Poisoning by therapeutic gases, assault T41.5X4 Poisoning by therapeutic gases, undetermined T41.5X5 Adverse effect of therapeutic gases T41.5X6 Underdosing of therapeutic gases
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Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2025-10-01

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