Version 2024

2024 ICD-10-CM Diagnosis Code T41.41XA

Poisoning by unspecified anesthetic, accidental (unintentional), initial encounter

ICD-10-CM Code:: T41.41XA
ICD-10 Code for:: Poisoning by unsp anesthetic, accidental, init
Is Billable?: Yes - Valid for Submission
Chronic Condition Indicator: ^[1]: Not chronic
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Code Information
Approximate Synonyms
Clinical Classification
Coding Guidelines
Tabular List of Diseases and Injuries
Diagnostic Related Groups Mapping
Convert to ICD-9 Code
Table of Drugs and Chemicals
Patient Education
Other Codes Used Similar Conditions
Code History

Code Classification

Injury, poisoning and certain other consequences of external causes
(S00–T88)
- Poisoning by, adverse effect of and underdosing of drugs, medicaments and biological substances
  (T36-T50)
  - Poisoning by, adverse effect of and underdosing of anesthetics and therapeutic gases
    (T41)

T41.41XA is a billable diagnosis code used to specify a medical diagnosis of poisoning by unspecified anesthetic, accidental (unintentional), initial encounter. The code is valid during the current fiscal year for the submission of HIPAA-covered transactions from October 01, 2023 through September 30, 2024.

T41.41XA is an initial encounter code, includes a 7th character and should be used while the patient is receiving active treatment for a condition like poisoning by unspecified anesthetic accidental (unintentional). According to ICD-10-CM Guidelines an "initial encounter" doesn't necessarily means "initial visit". The 7th character should be used when the patient is undergoing active treatment regardless if new or different providers saw the patient over the course of a treatment. The appropriate 7th character codes should also be used even if the patient delayed seeking treatment for a condition.

Unspecified diagnosis codes like T41.41XA are acceptable when clinical information is unknown or not available about a particular condition. Although a more specific code is preferable, unspecified codes should be used when such codes most accurately reflect what is known about a patient's condition. Specific diagnosis codes should not be used if not supported by the patient's medical record.

Approximate Synonyms

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

Overdose of anesthetic agent
Poisoning by anesthetic agent

Clinical Classification

Clinical Category	CCSR Category Code	Inpatient Default CCSR	Outpatient Default CCSR
External cause codes: intent of injury, accidental/unintentional	EXT020	N - Not default inpatient assignment for principal diagnosis or first-listed diagnosis.	N - Not default outpatient assignment for principal diagnosis or first-listed diagnosis.
External cause codes: poisoning by drug	EXT014	N - Not default inpatient assignment for principal diagnosis or first-listed diagnosis.	N - Not default outpatient assignment for principal diagnosis or first-listed diagnosis.
Poisoning by drugs, initial encounter	INJ022	Y - Yes, default inpatient assignment for principal diagnosis or first-listed diagnosis.	Y - Yes, default outpatient assignment for principal diagnosis or first-listed diagnosis.

Coding Guidelines

When coding a poisoning or reaction to the improper use of a medication (e.g., overdose, wrong substance given or taken in error, wrong route of administration), first assign the appropriate code from categories T36-T50. The poisoning codes have an associated intent as their 5th or 6th character (accidental, intentional self-harm, assault and undetermined. If the intent of the poisoning is unknown or unspecified, code the intent as accidental intent. The undetermined intent is only for use if the documentation in the record specifies that the intent cannot be determined. Use additional code(s) for all manifestations of poisonings.

The appropriate 7th character is to be added to each code from block Poisoning by, adverse effect of and underdosing of anesthetics and therapeutic gases (T41). Use the following options for the aplicable episode of care:

A - initial encounter
D - subsequent encounter
S - sequela

T41.41XA is grouped with Diagnostic Related Groups - MS-DRG Mapping

Diagnostic Related Groups (DRGs) are a classification system used to group together diagnosis codes for the purpose of reimbursement and healthcare management. DRGs are used to standardize the way hospitals and other providers are paid for inpatient services. In this system patients are grouped together based on their principal diagnosis in areas referred to as Major Diagnostic Categories (MDC). Once a patient is assigned a particular diagnostic category, providers receive a predetermined payment rate for the services rendered. This reimbursement rate is often fixed and is meant to cover the cost of care for that patient. Reimbursement is also affected by the relative weight of a diagnostic related group based on the severity of a patient's illness and the associated cost of care during hospitalization.

Diagnostic related groups encourage healthcare providers to focus on quality and efficiency in patient care while managing costs effectively. The diagnosis code is present in the following groups for version MS-DRG V41.0 applicable from 10/01/2023 through 09/30/2024.

MS-DRG	MS-DRG Title	MCD	Relative Weight
917	POISONING AND TOXIC EFFECTS OF DRUGS WITH MCC	21	1.5959
918	POISONING AND TOXIC EFFECTS OF DRUGS WITHOUT MCC	21	0.8609

The relative weight of a diagnostic related group determines the reimbursement rate based on the severity of a patient's illness and the associated cost of care during hospitalization.

Convert T41.41XA to ICD-9-CM

ICD-9-CM Code: 968.9 - Pois-local anest NEC/NOS
Combination Flag - Multiple codes are needed to describe the source diagnosis code. Correct coding should be done based on contextual judgment.
ICD-9-CM Code: E855.1 - Acc poisn-cns depres NEC
Combination Flag - Multiple codes are needed to describe the source diagnosis code. Correct coding should be done based on contextual judgment.

Table of Drugs and Chemicals

The parent code T41.41 of the current diagnosis code is referenced 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-CM 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.

Filter table of drugs and chemicals:

Substance	Poisoning Accidental (unintentional)	Poisoning Accidental (self-harm)	Poisoning Assault	Poisoning Undetermined	Adverse effect	Underdosing
Anesthetic NEC [See Also: Anesthesia]	T41.41	T41.42	T41.43	T41.44	T41.45	T41.46
Anesthetic NEC [See Also: Anesthesia] »with muscle relaxant	T41.41	T41.42	T41.43	T41.44	T41.45	T41.46
Anesthetic NEC [See Also: Anesthesia] »with muscle relaxant »general	T41.41	T41.42	T41.43	T41.44	T41.45	T41.46
Anesthetic NEC [See Also: Anesthesia] »with muscle relaxant »local	T41.41	T41.42	T41.43	T41.44	T41.45	T41.46
Anesthetic NEC [See Also: Anesthesia] »gaseous NEC	T41.41	T41.42	T41.43	T41.44	T41.45	T41.46
Anesthetic NEC [See Also: Anesthesia] »general NEC	T41.41	T41.42	T41.43	T41.44	T41.45	T41.46
Anesthetic NEC [See Also: Anesthesia] »halogenated hydrocarbon derivatives NEC	T41.41	T41.42	T41.43	T41.44	T41.45	T41.46
Anesthetic NEC [See Also: Anesthesia] »infiltration NEC	T41.41	T41.42	T41.43	T41.44	T41.45	T41.46
Anesthetic NEC [See Also: Anesthesia] »intravenous NEC	T41.41	T41.42	T41.43	T41.44	T41.45	T41.46
Anesthetic NEC [See Also: Anesthesia] »local NEC	T41.41	T41.42	T41.43	T41.44	T41.45	T41.46
Anesthetic NEC [See Also: Anesthesia] »rectal	T41.41	T41.42	T41.43	T41.44	T41.45	T41.46
Anesthetic NEC [See Also: Anesthesia] »rectal »general	T41.41	T41.42	T41.43	T41.44	T41.45	T41.46
Anesthetic NEC [See Also: Anesthesia] »rectal »local	T41.41	T41.42	T41.43	T41.44	T41.45	T41.46
Anesthetic NEC [See Also: Anesthesia] »regional NEC	T41.41	T41.42	T41.43	T41.44	T41.45	T41.46
Anesthetic NEC [See Also: Anesthesia] »spinal NEC	T41.41	T41.42	T41.43	T41.44	T41.45	T41.46
Anesthetic NEC [See Also: Anesthesia] »thiobarbiturate	T41.41	T41.42	T41.43	T41.44	T41.45	T41.46
Anesthetic NEC [See Also: Anesthesia] »topical	T41.41	T41.42	T41.43	T41.44	T41.45	T41.46

Patient Education

Anesthesia

What is anesthesia?

Anesthesia is the use of medicines to prevent pain during surgery and other procedures. These medicines are called anesthetics. They may be given by injection, inhalation, topical lotion, spray, eye drops, or skin patch. They cause you to have a loss of feeling or awareness.

What is anesthesia used for?

Anesthesia may be used in minor procedures, such as filling a tooth. It could be used during childbirth or procedures such as colonoscopies. And it is used during minor and major surgeries.

In some cases, a dentist, nurse, or doctor may give you an anesthetic. In other cases, you may need an anesthesiologist. This is a doctor who specializes in giving anesthesia.

What are the types of anesthesia?

There are several different types of anesthesia:

Local anesthesia numbs a small part of the body. It might be used on a tooth that needs to be pulled or on a small area around a wound that needs stitches. You are awake and alert during local anesthesia.
Regional anesthesia is used for larger areas of the body such as an arm, a leg, or everything below the waist. You may be awake during the procedure, or you may be given sedation. Regional anesthesia may be used during childbirth, a Cesarean section (C-section), or minor surgeries.
General anesthesia affects the whole body. It makes you unconscious and unable to move. It is used during major surgeries, such as heart surgery, brain surgery, back surgery, and organ transplants.

What are the risks of anesthesia?

Anesthesia is generally safe. But there can be risks, especially with general anesthesia, including:

Heart rhythm or breathing problems
An allergic reaction to the anesthesia
Delirium after general anesthesia. Delirium makes people confused. They may be unclear about what is happening to them. Some people over the age of 60 have delirium for several days after surgery. It can also happen to children when they first wake up from anesthesia.
Awareness when someone is under general anesthesia. This usually means that the person hears sounds. But sometimes they can feel pain. This is rare.

[Learn More in MedlinePlus]

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:

Knowing your medicines. When you get a prescription, ask the name of the medicine and check to make sure that the pharmacy gave you the right medicine. Make sure that you understand how often you should take the medicine and how long you should take it.
Keeping a list of medicines.

Write down all of the medicines that you are taking, including the names of your medicines, how much you take, and when you take them. Make sure to include any over-the-counter medicines, vitamins, supplements, and herbs that you take.
List the medicines that you are allergic to or that have caused you problems in the past.
Take this list with you every time you see a health care provider.

Reading medicine labels and following the directions. Don't just rely on your memory - read the medication label every time. Be especially careful when giving medicines to children.
Asking questions. If you don't know the answers to these questions, ask your health care provider or pharmacist:

Why am I taking this medicine?
What are the common side effects?
What should I do if I have side effects?
When should I stop this medicine?
Can I take this medicine with the other medicines and supplements on my list?
Do I need to avoid certain foods or alcohol while taking this medicine?

Food and Drug Administration

[Learn More in MedlinePlus]

Other ICD-10-CM Codes Commonly Used for Similar Conditions

Filter related codes list:

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 Poisoning by inhaled anesthetics, accidental (unintentional), initial encounter.
T41.0X1D Poisoning by inhaled anesthetics, accidental (unintentional), subsequent encounter.
T41.0X1S Poisoning by inhaled anesthetics, accidental (unintentional), sequela.
T41.0X2 Poisoning by inhaled anesthetics, intentional self-harm.
T41.0X2A Poisoning by inhaled anesthetics, intentional self-harm, initial encounter.
T41.0X2D Poisoning by inhaled anesthetics, intentional self-harm, subsequent encounter.
T41.0X2S Poisoning by inhaled anesthetics, intentional self-harm, sequela.
T41.0X3 Poisoning by inhaled anesthetics, assault.
T41.0X3A Poisoning by inhaled anesthetics, assault, initial encounter.
T41.0X3D Poisoning by inhaled anesthetics, assault, subsequent encounter.
T41.0X3S Poisoning by inhaled anesthetics, assault, sequela.
T41.0X4 Poisoning by inhaled anesthetics, undetermined.
T41.0X4A Poisoning by inhaled anesthetics, undetermined, initial encounter.
T41.0X4D Poisoning by inhaled anesthetics, undetermined, subsequent encounter.
T41.0X4S Poisoning by inhaled anesthetics, undetermined, sequela.
T41.0X5 Adverse effect of inhaled anesthetics.
T41.0X5A Adverse effect of inhaled anesthetics, initial encounter.
T41.0X5D Adverse effect of inhaled anesthetics, subsequent encounter.
T41.0X5S Adverse effect of inhaled anesthetics, sequela.
T41.0X6 Underdosing of inhaled anesthetics.
T41.0X6A Underdosing of inhaled anesthetics, initial encounter.
T41.0X6D Underdosing of inhaled anesthetics, subsequent encounter.
T41.0X6S Underdosing of inhaled anesthetics, sequela.
T41.1 Poisoning by, adverse effect of and underdosing of intravenous anesthetics.
T41.1X Poisoning by, adverse effect of and underdosing of intravenous anesthetics.
T41.1X1 Poisoning by intravenous anesthetics, accidental (unintentional).
T41.1X1A Poisoning by intravenous anesthetics, accidental (unintentional), initial encounter.
T41.1X1D Poisoning by intravenous anesthetics, accidental (unintentional), subsequent encounter.
T41.1X1S Poisoning by intravenous anesthetics, accidental (unintentional), sequela.
T41.1X2 Poisoning by intravenous anesthetics, intentional self-harm.
T41.1X2A Poisoning by intravenous anesthetics, intentional self-harm, initial encounter.
T41.1X2D Poisoning by intravenous anesthetics, intentional self-harm, subsequent encounter.
T41.1X2S Poisoning by intravenous anesthetics, intentional self-harm, sequela.
T41.1X3 Poisoning by intravenous anesthetics, assault.
T41.1X3A Poisoning by intravenous anesthetics, assault, initial encounter.
T41.1X3D Poisoning by intravenous anesthetics, assault, subsequent encounter.
T41.1X3S Poisoning by intravenous anesthetics, assault, sequela.
T41.1X4 Poisoning by intravenous anesthetics, undetermined.
T41.1X4A Poisoning by intravenous anesthetics, undetermined, initial encounter.
T41.1X4D Poisoning by intravenous anesthetics, undetermined, subsequent encounter.
T41.1X4S Poisoning by intravenous anesthetics, undetermined, sequela.
T41.1X5 Adverse effect of intravenous anesthetics.
T41.1X5A Adverse effect of intravenous anesthetics, initial encounter.
T41.1X5D Adverse effect of intravenous anesthetics, subsequent encounter.
T41.1X5S Adverse effect of intravenous anesthetics, sequela.
T41.1X6 Underdosing of intravenous anesthetics.
T41.1X6A Underdosing of intravenous anesthetics, initial encounter.

Code History

FY 2024 - No Change, effective from 10/1/2023 through 9/30/2024
FY 2023 - No Change, effective from 10/1/2022 through 9/30/2023
FY 2022 - No Change, effective from 10/1/2021 through 9/30/2022
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. This was the first year ICD-10-CM was implemented into the HIPAA code set.

Footnotes

[1] Not chronic - A diagnosis code that does not fit the criteria for chronic condition (duration, ongoing medical treatment, and limitations) is considered not chronic. Some codes designated as not chronic are acute conditions. Other diagnosis codes that indicate a possible chronic condition, but for which the duration of the illness is not specified in the code description (i.e., we do not know the condition has lasted 12 months or longer) also are considered not chronic.