Try for free

T41 ICD-10-CM Code: Poisoning by, adverse effect of and underdosing of anesthetics and therapeutic gases

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Official description

T41

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

ICD-10-CM diagnosis code · United States clinical modification

Where T41 sits

  1. 1

    Chapter 19

    Injury, poisoning and certain other consequences of external causes (S00-T88)

  2. 2

    Section

    Poisoning by, adverse effects of and underdosing of drugs, medicaments and biological substances (T36-T50)

  3. 3

    Category T41

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

  4. 4

    Code T41

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

Codes under T41

T41 is a non-billable category. Choose the child code that best matches the documented diagnosis.

T41.0Poisoning by, adverse effect of and underdosing of inhaled anestheticsT41.1Poisoning by, adverse effect of and underdosing of intravenous anestheticsT41.2Poisoning by, adverse effect of and underdosing of other and unspecified general anestheticsT41.3Poisoning by, adverse effect of and underdosing of local anestheticsT41.4Poisoning by, adverse effect of and underdosing of unspecified anestheticT41.5Poisoning by, adverse effect of and underdosing of therapeutic gases

Notes for this code

Inclusion terms

No inclusion terms are listed for T41.

Code first

No “code first” instruction is listed for T41.

Use additional code

No “use additional code” instruction is listed for T41.

Excludes1

Conditions that should not be reported together with this code.

  • 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-)

Excludes2

Conditions not included here that may be reported separately when present.

No Excludes2 note is listed for T41.

Source and release

Data release
U.S. ICD-10-CM · FY 2027
Effective date
Oct 1, 2026

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Review the CDC/NCHS ICD-10-CM source

Frequently asked questions

What does ICD-10-CM code T41 mean?

T41 is the FY 2027 U.S. ICD-10-CM code for “Poisoning by, adverse effect of and underdosing of anesthetics and therapeutic gases.”

Is T41 a billable or specific ICD-10-CM code?

No. T41 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.

Where is T41 located in ICD-10-CM?

T41 is listed in Chapter 19, Injury, poisoning and certain other consequences of external causes (S00-T88), within Poisoning by, adverse effects of and underdosing of drugs, medicaments and biological substances (T36-T50) (T36–T50), under category T41, Poisoning by, adverse effect of and underdosing of anesthetics and therapeutic gases.

What coding notes are listed for T41?

No inclusion terms are listed for T41 in this reference record. No code-first instruction is listed. Excludes1 notes: 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-). No Excludes2 note is listed.