All ICD10 Codes

T41

Non-Billable
ChapterS00–T88
Rankcategory
Official Description

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

Use a more specific code (0 billable, 6 non-billable)
T41.0Poisoning by, adverse effect of and underdosing of inhaled anestheticshas subcodesT41.1Poisoning by, adverse effect of and underdosing of intravenous anestheticshas subcodesT41.2Poisoning by, adverse effect of and underdosing of other and unspecified general anestheticshas subcodesT41.3Poisoning by, adverse effect of and underdosing of local anestheticshas subcodesT41.4Poisoning by, adverse effect of and underdosing of unspecified anesthetichas subcodesT41.5Poisoning by, adverse effect of and underdosing of therapeutic gaseshas subcodes
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88).

CH19 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
Use Additional Code
  • code to identify any retained foreign body, if applicable (Z18.-)

T36-T50 Parent Instructions

Includes
  • adverse effect of correct substance properly administered
  • poisoning by overdose of substance
  • poisoning by wrong substance given or taken in error
  • underdosing by (inadvertently) (deliberately) taking less substance than prescribed or instructed
Excludes1(Not coded here. Use a different code.)
  • toxic reaction to local anesthesia in pregnancy (O29.3-)
Excludes2(Not included here. Code separately if applicable.)
  • abuse and dependence of psychoactive substances (F10-F19)
  • abuse of non-dependence-producing substances (F55.-)
  • immunodeficiency due to drugs (D84.821)
  • drug reaction and poisoning affecting newborn (P00-P96)
  • pathological drug intoxication (inebriation) (F10-F19)
Code First
  • , for adverse effects, the nature of the adverse effect, such as:
  • adverse effect NOS (T88.7)
  • aspirin gastritis (K29.-)
  • blood disorders (D56-D76)
  • contact dermatitis (L23-L25)
  • dermatitis due to substances taken internally (L27.-)
  • nephropathy (N14.0-N14.2)
Use Additional Code
  • code(s) to specify:
  • manifestations of poisoning
  • underdosing or failure in dosage during medical and surgical care (Y63.6, Y63.8-Y63.9)
  • underdosing of medication regimen (Z91.12-, Z91.13-)

Instructional Notes

Excludes1(Not coded here. Use a different 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-)

Clinical Hierarchy

BillableHas subcodes
CH19Injury, poisoning and certain other consequences of external causes (S00-T88)
T36-T50Poisoning by, adverse effects of and underdosing of drugs, medicaments and biological substances (T36-T50)
T41Poisoning by, adverse effect of and underdosing of anesthetics and therapeutic gasesNot billable
T41.0Poisoning by, adverse effect of and underdosing of inhaled anestheticsSubcodes
T41.1Poisoning by, adverse effect of and underdosing of intravenous anestheticsSubcodes
T41.2Poisoning by, adverse effect of and underdosing of other and unspecified general anestheticsSubcodes
T41.3Poisoning by, adverse effect of and underdosing of local anestheticsSubcodes
T41.4Poisoning by, adverse effect of and underdosing of unspecified anestheticSubcodes
T41.5Poisoning by, adverse effect of and underdosing of therapeutic gasesSubcodes

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to T41:

blockT36-T50
Poisoning by, adverse effects of and underdosing of drugs, medicaments and biological substances (T36-T50)
View context instructions
chapterCH19
Injury, poisoning and certain other consequences of external causes (S00-T88)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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