2021 ICD-10-CM Code T42.0X1

Poisoning by hydantoin derivatives, accidental (unintentional)

Version 2021
Replaced Code
Non-Billable Code
Poisoning Accidental

Not Valid for Submission

T42.0X1 is a "header" nonspecific and non-billable diagnosis code code, consider using a code with a higher level of specificity for a diagnosis of poisoning by hydantoin derivatives, accidental (unintentional). The code is NOT valid for the year 2021 for the submission of HIPAA-covered transactions. Category or Header define the heading of a category of codes that may be further subdivided by the use of 4th, 5th, 6th or 7th characters.

The ICD-10-CM code T42.0X1 might also be used to specify conditions or terms like accidental overdose of phenytoin, accidental phenytoin poisoning, accidental poisoning by anticonvulsant and antiparkinsonism drugs, accidental poisoning by hydantoin derivative, hydantoin derivative poisoning , phenytoin overdose, etc.

ICD-10:T42.0X1
Short Description:Poisoning by hydantoin derivatives, accidental
Long Description:Poisoning by hydantoin derivatives, accidental (unintentional)

Code Classification

Specific Coding for Poisoning by hydantoin derivatives, accidental

Header codes like T42.0X1 require more digits to indicate the appropriate level of specificity. Consider using any of the following ICD-10 codes with a higher level of specificity when coding for poisoning by hydantoin derivatives, accidental:

Replaced Code

This code was replaced in the 2021 ICD-10 code set with the code(s) listed below. The National Center for Health Statistics (NCHS) has published an update to the ICD-10-CM diagnosis codes which became effective October 1, 2020. This code was replaced for the FY 2021 (October 1, 2020 - September 30, 2021).


  • K59.03 - Drug induced constipation

Tabular List of Diseases and Injuries

The Tabular List of Diseases and Injuries is a list of ICD-10 codes, organized "head to toe" into chapters and sections with guidance for inclusions, exclusions, descriptions and more. The following references are applicable to the code T42.0X1:


Inclusion Terms

Inclusion Terms
These terms are the conditions for which that code is to be used. The terms may be synonyms of the code title, or, in the case of "other specified" codes, the terms are a list of the various conditions assigned to that code. The inclusion terms are not necessarily exhaustive. Additional terms found only in the Alphabetic Index may also be assigned to a code.

Approximate Synonyms

The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:

Table of Drugs and Chemicals

The code T42.0X1 is included in the Table of Drugs and Chemicals, this table contains a classification of drugs, industrial solvents, corrosive gases, noxious plants, pesticides, and other toxic agents. According to ICD-10 coding guidelines it is advised to do not code directly from the Table of Drugs and Chemicals, instead always refer back to the Tabular List when doing the initial coding. Each substance in the table is assigned a code according to the poisoning classification and external causes of adverse effects. It is important to use as many codes as necessary to specify all reported drugs, medicinal or chemical substances. If the same diagnosis code describes the causative agent for more than one adverse reaction, poisoning, toxic effect or underdosing, utilize the code only once.

Substance Poisoning
Accidental
(unintentional)
Poisoning
Accidental
self-harm
Poisoning
Assault
Poisoning
Undetermined
Adverse
effect
Underdosing
AlbutoinT42.0X1T42.0X2T42.0X3T42.0X4T42.0X5T42.0X6
DilantinT42.0X1T42.0X2T42.0X3T42.0X4T42.0X5T42.0X6
DiphenylhydantoinT42.0X1T42.0X2T42.0X3T42.0X4T42.0X5T42.0X6
EpanutinT42.0X1T42.0X2T42.0X3T42.0X4T42.0X5T42.0X6
EthotoinT42.0X1T42.0X2T42.0X3T42.0X4T42.0X5T42.0X6
Hydantoin derivative NECT42.0X1T42.0X2T42.0X3T42.0X4T42.0X5T42.0X6
MephenytoinT42.0X1T42.0X2T42.0X3T42.0X4T42.0X5T42.0X6
Mephenytoin
  »with phenobarbital
T42.0X1T42.0X2T42.0X3T42.0X4T42.0X5T42.0X6
MetetoinT42.0X1T42.0X2T42.0X3T42.0X4T42.0X5T42.0X6
MethetoinT42.0X1T42.0X2T42.0X3T42.0X4T42.0X5T42.0X6
MethoinT42.0X1T42.0X2T42.0X3T42.0X4T42.0X5T42.0X6
PhenantoinT42.0X1T42.0X2T42.0X3T42.0X4T42.0X5T42.0X6
PhenytoinT42.0X1T42.0X2T42.0X3T42.0X4T42.0X5T42.0X6
Phenytoin
  »with Phenobarbital
T42.0X1T42.0X2T42.0X3T42.0X4T42.0X5T42.0X6

Information for Patients


Medication Errors

Medicines treat infectious diseases, prevent problems from chronic diseases, and ease pain. But medicines can also cause harmful reactions if not used correctly. Errors can happen in the hospital, at the health care provider's office, at the pharmacy, or at home. You can help prevent errors by

Food and Drug Administration


[Learn More in MedlinePlus]

Code History

  • FY 2021 - No Change, effective from 10/1/2020 through 9/30/2021
  • FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020
  • FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
  • FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
  • FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
  • FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016 (First year ICD-10-CM implemented into the HIPAA code set)