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ICD-10-CM Codes
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S00-T88
Injury, poisoning and certain other consequences of external causes
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T36-T50
Poisoning by, adverse effect of and underdosing of drugs, medicaments and biological substances
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T42-
Poisoning by, adverse effect of and underdosing of antiepileptic, sedative- hypnotic and antiparkinsonism drugs
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2021 ICD-10-CM Diagnosis Code T42
2021 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
- T42 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
- Short description: Antiepileptic, sedative- hypnotic and antiparkinsonism drugs
- The 2021 edition of ICD-10-CM T42 became effective on October 1, 2020.
- This is the American ICD-10-CM version of T42 - other international versions of ICD-10 T42 may differ.
Type 2 ExcludesType 2 Excludes Help
A type 2 excludes note represents "not included here". A type 2 excludes note indicates that the condition excluded is not part of the condition it is excluded from but a patient may have both conditions at the same time. When a type 2 excludes note appears under a code it is acceptable to use both the code (T42) and the excluded code together.
The following code(s) above
T42 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:
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
Code annotations containing back-references to T42:
ICD-10-CM Codes Adjacent To T42
T41.5X5 Adverse effect of therapeutic gases
T41.5X6 Underdosing of therapeutic gases
T42
Poisoning by, adverse effect of and underdosing of antiepileptic, sedative- hypnotic and antiparkinsonism drugs
T42.0 Poisoning by, adverse effect of and underdosing of hydantoin derivatives
T42.0X Poisoning by, adverse effect of and underdosing of hydantoin derivatives
T42.0X1 Poisoning by hydantoin derivatives, accidental (unintentional)
T42.0X2 Poisoning by hydantoin derivatives, intentional self-harm
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.