2020 ICD-10-CM Diagnosis Code T41

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

    2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
  • T41 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • Short description: Anesthetics and therapeutic gases
  • The 2020 edition of ICD-10-CM T41 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of T41 - other international versions of ICD-10 T41 may differ.
Type 1 Excludes
Type 1 Excludes Help
A type 1 excludes note is a pure excludes. It means "not coded here". A type 1 excludes note indicates that the code excluded should never be used at the same time as T41. A type 1 excludes note is for used for when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
  • benzodiazepines (
    ICD-10-CM Diagnosis Code T42.4

    Poisoning by, adverse effect of and underdosing of benzodiazepines

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    T42.4-
    )
  • cocaine (
    ICD-10-CM Diagnosis Code T40.5

    Poisoning by, adverse effect of and underdosing of cocaine

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    T40.5-
    )
  • complications of anesthesia during pregnancy (
    ICD-10-CM Diagnosis Code O29
    • O29 Complications of anesthesia during pregnancy
      • O29.0 Pulmonary complications of anesthesia during ...
        • O29.01 Aspiration pneumonitis due to anesthesia duri...
          • O29.011 Aspiration pneumonitis due to anesthesia duri...
          • O29.012 Aspiration pneumonitis due to anesthesia duri...
          • O29.013 Aspiration pneumonitis due to anesthesia duri...
          • O29.019 Aspiration pneumonitis due to anesthesia duri...
        • O29.02 Pressure collapse of lung due to anesthesia d...
          • O29.021 Pressure collapse of lung due to anesthesia d...
          • O29.022 Pressure collapse of lung due to anesthesia d...
          • O29.023 Pressure collapse of lung due to anesthesia d...
          • O29.029 Pressure collapse of lung due to anesthesia d...
        • O29.09 Other pulmonary complications of anesthesia d...
          • O29.091 Other pulmonary complications of anesthesia d...
          • O29.092 Other pulmonary complications of anesthesia d...
          • O29.093 Other pulmonary complications of anesthesia d...
          • O29.099 Other pulmonary complications of anesthesia d...
      • O29.1 Cardiac complications of anesthesia during pr...
        • O29.11 Cardiac arrest due to anesthesia during pregn...
          • O29.111 Cardiac arrest due to anesthesia during pregn...
          • O29.112 Cardiac arrest due to anesthesia during pregn...
          • O29.113 Cardiac arrest due to anesthesia during pregn...
          • O29.119 Cardiac arrest due to anesthesia during pregn...
        • O29.12 Cardiac failure due to anesthesia during preg...
          • O29.121 Cardiac failure due to anesthesia during preg...
          • O29.122 Cardiac failure due to anesthesia during preg...
          • O29.123 Cardiac failure due to anesthesia during preg...
          • O29.129 Cardiac failure due to anesthesia during preg...
        • O29.19 Other cardiac complications of anesthesia dur...
          • O29.191 Other cardiac complications of anesthesia dur...
          • O29.192 Other cardiac complications of anesthesia dur...
          • O29.193 Other cardiac complications of anesthesia dur...
          • O29.199 Other cardiac complications of anesthesia dur...
      • O29.2 Central nervous system complications of anest...
        • O29.21 Cerebral anoxia due to anesthesia during preg...
          • O29.211 Cerebral anoxia due to anesthesia during preg...
          • O29.212 Cerebral anoxia due to anesthesia during preg...
          • O29.213 Cerebral anoxia due to anesthesia during preg...
          • O29.219 Cerebral anoxia due to anesthesia during preg...
        • O29.29 Other central nervous system complications of...
          • O29.291 Other central nervous system complications of...
          • O29.292 Other central nervous system complications of...
          • O29.293 Other central nervous system complications of...
          • O29.299 Other central nervous system complications of...
      • O29.3 Toxic reaction to local anesthesia during pre...
        • O29.3X Toxic reaction to local anesthesia during pre...
          • O29.3X1 Toxic reaction to local anesthesia during pre...
          • O29.3X2 Toxic reaction to local anesthesia during pre...
          • O29.3X3 Toxic reaction to local anesthesia during pre...
          • O29.3X9 Toxic reaction to local anesthesia during pre...
      • O29.4 Spinal and epidural anesthesia induced headac...
        • O29.40 Spinal and epidural anesthesia induced headac...
        • O29.41 Spinal and epidural anesthesia induced headac...
        • O29.42 Spinal and epidural anesthesia induced headac...
        • O29.43 Spinal and epidural anesthesia induced headac...
      • O29.5 Other complications of spinal and epidural an...
        • O29.5X Other complications of spinal and epidural an...
          • O29.5X1 Other complications of spinal and epidural an...
          • O29.5X2 Other complications of spinal and epidural an...
          • O29.5X3 Other complications of spinal and epidural an...
          • O29.5X9 Other complications of spinal and epidural an...
      • O29.6 Failed or difficult intubation for anesthesia...
        • O29.60 Failed or difficult intubation for anesthesia...
        • O29.61 Failed or difficult intubation for anesthesia...
        • O29.62 Failed or difficult intubation for anesthesia...
        • O29.63 Failed or difficult intubation for anesthesia...
      • O29.8 Other complications of anesthesia during preg...
        • O29.8X Other complications of anesthesia during preg...
          • O29.8X1 Other complications of anesthesia during preg...
          • O29.8X2 Other complications of anesthesia during preg...
          • O29.8X3 Other complications of anesthesia during preg...
          • O29.8X9 Other complications of anesthesia during preg...
      • O29.9 Unspecified complication of anesthesia during...
        • O29.90 Unspecified complication of anesthesia during...
        • O29.91 Unspecified complication of anesthesia during...
        • O29.92 Unspecified complication of anesthesia during...
        • O29.93 Unspecified complication of anesthesia during...
    O29.-
    )
  • complications of anesthesia during labor and delivery (
    ICD-10-CM Diagnosis Code O74
    • O74 Complications of anesthesia during labor and ...
      • O74.0 Aspiration pneumonitis due to anesthesia duri...
      • O74.1 Other pulmonary complications of anesthesia d...
      • O74.2 Cardiac complications of anesthesia during la...
      • O74.3 Central nervous system complications of anest...
      • O74.4 Toxic reaction to local anesthesia during lab...
      • O74.5 Spinal and epidural anesthesia-induced headac...
      • O74.6 Other complications of spinal and epidural an...
      • O74.7 Failed or difficult intubation for anesthesia...
      • O74.8 Other complications of anesthesia during labo...
      • O74.9 Complication of anesthesia during labor and d...
    O74.-
    )
  • complications of anesthesia during the puerperium (
    ICD-10-CM Diagnosis Code O89
    • O89 Complications of anesthesia during the puerpe...
      • O89.0 Pulmonary complications of anesthesia during ...
        • O89.01 Aspiration pneumonitis due to anesthesia duri...
        • O89.09 Other pulmonary complications of anesthesia d...
      • O89.1 Cardiac complications of anesthesia during th...
      • O89.2 Central nervous system complications of anest...
      • O89.3 Toxic reaction to local anesthesia during the...
      • O89.4 Spinal and epidural anesthesia-induced headac...
      • O89.5 Other complications of spinal and epidural an...
      • O89.6 Failed or difficult intubation for anesthesia...
      • O89.8 Other complications of anesthesia during the ...
      • O89.9 Complication of anesthesia during the puerper...
    O89.-
    )
  • opioids (
    ICD-10-CM Diagnosis Code T40.0

    Poisoning by, adverse effect of and underdosing of opium

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    T40.0-
    ICD-10-CM Diagnosis Code T40.2

    Poisoning by, adverse effect of and underdosing of other opioids

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    T40.2-
    )
The following code(s) above T41 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to T41:
  • S00-T88
    2020 ICD-10-CM Range S00-T88

    Injury, poisoning and certain other consequences of external causes

    Note
    • Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code
    Type 1 Excludes
    Use Additional
    • code to identify any retained foreign body, if applicable (Z18.-)
    Injury, poisoning and certain other consequences of external causes
  • T36-T50
    2020 ICD-10-CM Range T36-T50

    Poisoning by, adverse effect of and underdosing of drugs, medicaments and biological substances

    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)
    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
    Note
    • The drug giving rise to the adverse effect should be identified by use of codes from categories T36-T50 with fifth or sixth character 5.
    Type 1 Excludes
    • toxic reaction to local anesthesia in pregnancy (O29.3-)
    Type 2 Excludes
    • abuse and dependence of psychoactive substances (F10-F19)
    • abuse of non-dependence-producing substances (F55.-)
    • drug reaction and poisoning affecting newborn (P00-P96)
    • pathological drug intoxication (inebriation) (F10-F19)
    Use Additional
    • 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-)
    Poisoning by, adverse effect of and underdosing of drugs, medicaments and biological substances
Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
Code annotations containing back-references to T41:
  • Use Additional: T88.2
    , T88.3
    , T88.5
    , J95.4
    ICD-10-CM Diagnosis Code T88.2

    Shock due to anesthesia

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • complications of anesthesia (in):
    • labor and delivery (O74.-)
    • pregnancy (O29.-)
    • puerperium (O89.-)
    • postprocedural shock NOS (T81.1-)
    Use Additional
    • code for adverse effect, if applicable, to identify drug (T41.- with fifth or sixth character 5)
    ICD-10-CM Diagnosis Code T88.3

    Malignant hyperthermia due to anesthesia

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Use Additional
    • code for adverse effect, if applicable, to identify drug (T41.- with fifth or sixth character 5)
    ICD-10-CM Diagnosis Code T88.5

    Other complications of anesthesia

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Use Additional
    • code for adverse effect, if applicable, to identify drug (T41.- with fifth or sixth character 5)
    ICD-10-CM Diagnosis Code J95.4

    Chemical pneumonitis due to anesthesia

      2016 2017 2018 2019 2020 Billable/Specific Code
    Applicable To
    • Mendelson's syndrome
    • Postprocedural aspiration pneumonia
    Type 1 Excludes
    • aspiration pneumonitis due to anesthesia complicating labor and delivery (O74.0)
    • aspiration pneumonitis due to anesthesia complicating pregnancy (O29)
    • aspiration pneumonitis due to anesthesia complicating the puerperium (O89.01)
    Use Additional
    • code for adverse effect, if applicable, to identify drug (T41.- with fifth or sixth character 5)
ICD-10-CM Codes Adjacent To T41
T40.994D …… subsequent encounter
T40.994S …… sequela
T40.995 Adverse effect of other psychodysleptics [hallucinogens]
T40.995A …… initial encounter
T40.995D …… subsequent encounter
T40.995S …… sequela
T40.996 Underdosing of other psychodysleptics [hallucinogens]
T40.996A …… initial encounter
T40.996D …… subsequent encounter
T40.996S …… sequela
T41 Poisoning by, adverse effect of and underdosing of anesthetics and therapeutic gases
T41.0 Poisoning by, adverse effect of and underdosing of inhaled anesthetics
T41.0X Poisoning by, adverse effect of and underdosing of inhaled anesthetics
T41.0X1 Poisoning by inhaled anesthetics, accidental (unintentional)
T41.0X1A …… initial encounter
T41.0X1D …… subsequent encounter
T41.0X1S …… sequela
T41.0X2 Poisoning by inhaled anesthetics, intentional self-harm
T41.0X2A …… initial encounter
T41.0X2D …… subsequent encounter
T41.0X2S …… sequela

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.