2021

  1. ICD-10-CM Codes
    2. ›
  2. S00-T88 Injury, poisoning and certain other consequences of external causes
    3. ›
  3. T36-T50 Poisoning by, adverse effect of and underdosing of drugs, medicaments and biological substances
    4. ›
  4. T42- Poisoning by, adverse effect of and underdosing of antiepileptic, sedative- hypnotic and antiparkinsonism drugs
    5. ›
  5. 2021 ICD-10-CM Diagnosis Code T42.3X3D

2021 ICD-10-CM Diagnosis Code T42.3X3D

Poisoning by barbiturates, assault, subsequent encounter

    2016 2017 2018 2019 2020 2021 Billable/Specific Code POA Exempt
  • T42.3X3D is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2021 edition of ICD-10-CM T42.3X3D became effective on October 1, 2020.
  • This is the American ICD-10-CM version of T42.3X3D - other international versions of ICD-10 T42.3X3D may differ.
The following code(s) above T42.3X3D 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 T42.3X3D:
  • S00-T88
    2021 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
    2021 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.-)
    • immunodeficiency due to drugs (D84.821)
    • 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
  • T42
    ICD-10-CM Diagnosis Code T42

    Poisoning by, adverse effect of and underdosing of antiepileptic, sedative- hypnotic and antiparkinsonism drugs

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Type 2 Excludes
    • drug dependence and related mental and behavioral disorders due to psychoactive substance use (F10.--F19.-)
    Poisoning by, adverse effect of and underdosing of antiepileptic, sedative- hypnotic and antiparkinsonism drugs
  • T42.3
    ICD-10-CM Diagnosis Code T42.3

    Poisoning by, adverse effect of and underdosing of barbiturates

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • poisoning by, adverse effect of and underdosing of thiobarbiturates (T41.1-)
    Poisoning by, adverse effect of and underdosing of barbiturates
Present On Admission
POA Help
"Present On Admission" is defined as present at the time the order for inpatient admission occurs — conditions that develop during an outpatient encounter, including emergency department, observation, or outpatient surgery, are considered POA.
  • T42.3X3D is considered exempt from POA reporting.
ICD-10-CM T42.3X3D is grouped within Diagnostic Related Group(s) (MS-DRG v38.0):
  • 949 Aftercare with cc/mcc
  • 950 Aftercare without cc/mcc

Convert T42.3X3D to ICD-9-CM

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
  • 2021 (effective 10/1/2020): No change
ICD-10-CM Codes Adjacent To T42.3X3D
T42.3X1 Poisoning by barbiturates, accidental (unintentional)
T42.3X1A …… initial encounter
T42.3X1D …… subsequent encounter
T42.3X1S …… sequela
T42.3X2 Poisoning by barbiturates, intentional self-harm
T42.3X2A …… initial encounter
T42.3X2D …… subsequent encounter
T42.3X2S …… sequela
T42.3X3 Poisoning by barbiturates, assault
T42.3X3A …… initial encounter
T42.3X3D …… subsequent encounter
T42.3X3S …… sequela
T42.3X4 Poisoning by barbiturates, undetermined
T42.3X4A …… initial encounter
T42.3X4D …… subsequent encounter
T42.3X4S …… sequela
T42.3X5 Adverse effect of barbiturates
T42.3X5A …… initial encounter
T42.3X5D …… subsequent encounter
T42.3X5S …… sequela
T42.3X6 Underdosing of barbiturates

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

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