2021 ICD-10-CM Code T40.2X1

Poisoning by other opioids, accidental (unintentional)

Version 2021
Replaced Code
Non-Billable Code
Poisoning Accidental

Not Valid for Submission

T40.2X1 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 other opioids, 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 T40.2X1 might also be used to specify conditions or terms like accidental meptazinol overdose, accidental morphine overdose, accidental overdose by codeine, accidental overdose by dihydrocodeine, accidental poisoning by codeine , accidental poisoning by dihydrocodeine, etc.

ICD-10:T40.2X1
Short Description:Poisoning by other opioids, accidental (unintentional)
Long Description:Poisoning by other opioids, accidental (unintentional)

Code Classification

Specific Coding for Poisoning by other opioids, accidental (unintentional)

Header codes like T40.2X1 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 other opioids, accidental (unintentional):

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 T40.2X1:


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 T40.2X1 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
14-hydroxydihydro-morphinoneT40.2X1T40.2X2T40.2X3T40.2X4T40.2X5T40.2X6
AcemorphanT40.2X1T40.2X2T40.2X3T40.2X4T40.2X5T40.2X6
AcetorphineT40.2X1T40.2X2T40.2X3T40.2X4
AcetyldihydrocodeineT40.2X1T40.2X2T40.2X3T40.2X4
AcetyldihydrocodeinoneT40.2X1T40.2X2T40.2X3T40.2X4
AlvodineT40.2X1T40.2X2T40.2X3T40.2X4T40.2X5T40.2X6
BenzomorphanT40.2X1T40.2X2T40.2X3T40.2X4T40.2X5T40.2X6
Blue velvetT40.2X1T40.2X2T40.2X3T40.2X4
CliradonT40.2X1T40.2X2T40.2X3T40.2X4
CodeineT40.2X1T40.2X2T40.2X3T40.2X4T40.2X5T40.2X6
DemerolT40.2X1T40.2X2T40.2X3T40.2X4T40.2X5T40.2X6
DesocodeineT40.2X1T40.2X2T40.2X3T40.2X4T40.2X5T40.2X6
DesomorphineT40.2X1T40.2X2T40.2X3T40.2X4
DextrorphanT40.2X1T40.2X2T40.2X3T40.2X4T40.2X5T40.2X6
DifencloxazineT40.2X1T40.2X2T40.2X3T40.2X4T40.2X5T40.2X6
DihydrocodeineT40.2X1T40.2X2T40.2X3T40.2X4T40.2X5T40.2X6
DihydrocodeinoneT40.2X1T40.2X2T40.2X3T40.2X4T40.2X5T40.2X6
DihydrohydroxycodeinoneT40.2X1T40.2X2T40.2X3T40.2X4T40.2X5T40.2X6
DihydrohydroxymorphinoneT40.2X1T40.2X2T40.2X3T40.2X4T40.2X5T40.2X6
DihydroisocodeineT40.2X1T40.2X2T40.2X3T40.2X4T40.2X5T40.2X6
DihydromorphineT40.2X1T40.2X2T40.2X3T40.2X4
DihydromorphinoneT40.2X1T40.2X2T40.2X3T40.2X4T40.2X5T40.2X6
DihydroxycodeinoneT40.2X1T40.2X2T40.2X3T40.2X4T40.2X5T40.2X6
DilaudidT40.2X1T40.2X2T40.2X3T40.2X4T40.2X5T40.2X6
DioninT40.2X1T40.2X2T40.2X3T40.2X4T40.2X5T40.2X6
DrocodeT40.2X1T40.2X2T40.2X3T40.2X4T40.2X5T40.2X6
DromoranT40.2X1T40.2X2T40.2X3T40.2X4T40.2X5T40.2X6
EthylmorphineT40.2X1T40.2X2T40.2X3T40.2X4T40.2X5T40.2X6
EtorphineT40.2X1T40.2X2T40.2X3T40.2X4T40.2X5T40.2X6
EucodalT40.2X1T40.2X2T40.2X3T40.2X4T40.2X5T40.2X6
HeptalginT40.2X1T40.2X2T40.2X3T40.2X4T40.2X5T40.2X6
HycodanT40.2X1T40.2X2T40.2X3T40.2X4T40.2X5T40.2X6
HydrocodoneT40.2X1T40.2X2T40.2X3T40.2X4T40.2X5T40.2X6
HydromorphinolT40.2X1T40.2X2T40.2X3T40.2X4
HydromorphinoneT40.2X1T40.2X2T40.2X3T40.2X4T40.2X5T40.2X6
HydromorphoneT40.2X1T40.2X2T40.2X3T40.2X4T40.2X5T40.2X6
HydroxydihydrocodeinoneT40.2X1T40.2X2T40.2X3T40.2X4T40.2X5T40.2X6
LeritineT40.2X1T40.2X2T40.2X3T40.2X4T40.2X5T40.2X6
Levo-dromoranT40.2X1T40.2X2T40.2X3T40.2X4T40.2X5T40.2X6
MethylmorphineT40.2X1T40.2X2T40.2X3T40.2X4T40.2X5T40.2X6
MetoponT40.2X1T40.2X2T40.2X3T40.2X4T40.2X5T40.2X6
MorfinT40.2X1T40.2X2T40.2X3T40.2X4T40.2X5T40.2X6
MorphineT40.2X1T40.2X2T40.2X3T40.2X4T40.2X5T40.2X6
Morphine
  »antagonist
T40.2X1T40.2X2T40.2X3T40.2X4T40.2X5T40.2X6
MorpholinylethylmorphineT40.2X1T40.2X2T40.2X3T40.2X4
NicomorphineT40.2X1T40.2X2T40.2X3T40.2X4
NisentilT40.2X1T40.2X2T40.2X3T40.2X4T40.2X5T40.2X6
NormorphineT40.2X1T40.2X2T40.2X3T40.2X4
NumorphanT40.2X1T40.2X2T40.2X3T40.2X4T40.2X5T40.2X6
Opioid NECT40.2X1T40.2X2T40.2X3T40.2X4T40.2X5T40.2X6
OxycodoneT40.2X1T40.2X2T40.2X3T40.2X4T40.2X5T40.2X6
OxymorphoneT40.2X1T40.2X2T40.2X3T40.2X4T40.2X5T40.2X6
PalfiumT40.2X1T40.2X2T40.2X3T40.2X4
ParacodinT40.2X1T40.2X2T40.2X3T40.2X4T40.2X5T40.2X6
ParzoneT40.2X1T40.2X2T40.2X3T40.2X4T40.2X5T40.2X6
PercodanT40.2X1T40.2X2T40.2X3T40.2X4T40.2X5T40.2X6
PeronineT40.2X1T40.2X2T40.2X3T40.2X4
PhenadoxoneT40.2X1T40.2X2T40.2X3T40.2X4
PhenomorphanT40.2X1T40.2X2T40.2X3T40.2X4
PiminodineT40.2X1T40.2X2T40.2X3T40.2X4T40.2X5T40.2X6
PipadoneT40.2X1T40.2X2T40.2X3T40.2X4
PrinadolT40.2X1T40.2X2T40.2X3T40.2X4T40.2X5T40.2X6
PromedolT40.2X1T40.2X2T40.2X3T40.2X4
RacemoramideT40.2X1T40.2X2T40.2X3T40.2X4
RacemorphanT40.2X1T40.2X2T40.2X3T40.2X4T40.2X5T40.2X6
ThebaineT40.2X1T40.2X2T40.2X3T40.2X4T40.2X5T40.2X6

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)