T41
Non-Billable

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

Non-Billable / Non-Specific Code

What is Poisoning by, adverse effect of and underdosing of anesthetics and therapeutic gases?

ICD-10-CM T41 is the diagnosis code for Poisoning by, adverse effect of and underdosing of anesthetics and therapeutic gases. This code falls under the section "Poisoning by, adverse effect of and underdosing of drugs, medicaments and biological substances" within Chapter 19 — Injury, poisoning and certain other consequences of external causes (S00-T88). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

⛔ Excludes1

Coding Guidelines for T41

⛔ Type 1 Excludes (Never code together)

The following conditions should never be coded at the same time as T41. They are mutually exclusive:

  • 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-)

ICD-10-CM Code Hierarchy

Understanding where T41 sits in the ICD-10-CM classification helps ensure proper coding:

Sub-Codes 6 entries
T41.0Poisoning by, adverse effect of and underdosing of inhaled anestheticsNon-BillableT41.0XPoisoning by, adverse effect of and underdosing of inhaled anestheticsNon-BillableT41.0X1Poisoning by inhaled anesthetics, accidental (unintentional)BillableT41.0X2Poisoning by inhaled anesthetics, intentional self-harmBillableT41.0X3Poisoning by inhaled anesthetics, assaultBillableT41.0X4Poisoning by inhaled anesthetics, undeterminedBillableT41.0X5Adverse effect of inhaled anestheticsBillableT41.0X6Underdosing of inhaled anestheticsBillableT41.1Poisoning by, adverse effect of and underdosing of intravenous anestheticsNon-BillableT41.1XPoisoning by, adverse effect of and underdosing of intravenous anestheticsNon-BillableT41.1X1Poisoning by intravenous anesthetics, accidental (unintentional)BillableT41.1X2Poisoning by intravenous anesthetics, intentional self-harmBillableT41.1X3Poisoning by intravenous anesthetics, assaultBillableT41.1X4Poisoning by intravenous anesthetics, undeterminedBillableT41.1X5Adverse effect of intravenous anestheticsBillableT41.1X6Underdosing of intravenous anestheticsBillableT41.2Poisoning by, adverse effect of and underdosing of other and unspecified general anestheticsNon-BillableT41.20Poisoning by, adverse effect of and underdosing of unspecified general anestheticsNon-BillableT41.201Poisoning by unspecified general anesthetics, accidental (unintentional)BillableT41.202Poisoning by unspecified general anesthetics, intentional self-harmBillableT41.203Poisoning by unspecified general anesthetics, assaultBillableT41.204Poisoning by unspecified general anesthetics, undeterminedBillableT41.205Adverse effect of unspecified general anestheticsBillableT41.206Underdosing of unspecified general anestheticsBillableT41.29Poisoning by, adverse effect of and underdosing of other general anestheticsNon-BillableT41.291Poisoning by other general anesthetics, accidental (unintentional)BillableT41.292Poisoning by other general anesthetics, intentional self-harmBillableT41.293Poisoning by other general anesthetics, assaultBillableT41.294Poisoning by other general anesthetics, undeterminedBillableT41.295Adverse effect of other general anestheticsBillableT41.296Underdosing of other general anestheticsBillableT41.3Poisoning by, adverse effect of and underdosing of local anestheticsNon-BillableT41.3XPoisoning by, adverse effect of and underdosing of local anestheticsNon-BillableT41.3X1Poisoning by local anesthetics, accidental (unintentional)BillableT41.3X2Poisoning by local anesthetics, intentional self-harmBillableT41.3X3Poisoning by local anesthetics, assaultBillableT41.3X4Poisoning by local anesthetics, undeterminedBillableT41.3X5Adverse effect of local anestheticsBillableT41.3X6Underdosing of local anestheticsBillableT41.4Poisoning by, adverse effect of and underdosing of unspecified anestheticNon-BillableT41.41Poisoning by unspecified anesthetic, accidental (unintentional)BillableT41.42Poisoning by unspecified anesthetic, intentional self-harmBillableT41.43Poisoning by unspecified anesthetic, assaultBillableT41.44Poisoning by unspecified anesthetic, undeterminedBillableT41.45Adverse effect of unspecified anestheticBillableT41.46Underdosing of unspecified anestheticsBillableT41.5Poisoning by, adverse effect of and underdosing of therapeutic gasesNon-BillableT41.5XPoisoning by, adverse effect of and underdosing of therapeutic gasesNon-BillableT41.5X1Poisoning by therapeutic gases, accidental (unintentional)BillableT41.5X2Poisoning by therapeutic gases, intentional self-harmBillableT41.5X3Poisoning by therapeutic gases, assaultBillableT41.5X4Poisoning by therapeutic gases, undeterminedBillableT41.5X5Adverse effect of therapeutic gasesBillableT41.5X6Underdosing of therapeutic gasesBillable
Related Codes

Frequently Asked Questions

Is T41 a billable ICD-10-CM code?

No, T41 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does T41 mean?

T41 is the ICD-10-CM diagnosis code for "Poisoning by, adverse effect of and underdosing of anesthetics and therapeutic gases". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What section is T41 in?

T41 is located in Section T36-T50 — "Poisoning by, adverse effect of and underdosing of drugs, medicaments and biological substances" within Chapter 19 of the ICD-10-CM Tabular List.

What are the sub-codes of T41?

T41 has 6 sub-code(s) that provide more specific detail: T41.0, T41.1, T41.2, T41.3, T41.4 and more.

When should I use T41?

Use T41 when the patients documented diagnosis matches "Poisoning by, adverse effect of and underdosing of anesthetics and therapeutic gases" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Poisoning by, adverse effect of and underdosing of anesthetics and therapeutic gases?

The ICD-10-CM code for Poisoning by, adverse effect of and underdosing of anesthetics and therapeutic gases is T41.

Can T41 be used for primary diagnosis?

No, T41 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is T41 in?

T41 is in Chapter 19 of the ICD-10-CM Tabular List.

What conditions are excluded from T41?

Type 1 Excludes for T41 include: benzodiazepines (T42.4-); cocaine (T40.5-); complications of anesthesia during pregnancy (O29.-) and more.

Is T41 valid for 2026?

Yes, T41 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousT40.996Underdosing of other psychodysleptics [hallucinogens]Next →T41.0Poisoning by, adverse effect of and underdosing of inhaled anesthetics
Code Details
T41
Poisoning by, adverse effect of and underdosing of anesthetics and therapeutic gases
Non-Billable / Non-Specific Code
19 — Injury, poisoning and certain other consequences of external causes (S00-T88)
T36-T50 — Poisoning by, adverse effect of and underdosing of drugs, medicaments and biological substances
2026 ICD-10-CM