Version 2024

2024 ICD-10-CM Diagnosis Code T75.00XA

Unspecified effects of lightning, initial encounter

ICD-10-CM Code:: T75.00XA
ICD-10 Code for:: Unspecified effects of lightning, initial encounter
Is Billable?: Yes - Valid for Submission
Chronic Condition Indicator: ^[1]: Not chronic
Code Navigator:

Code Information
Approximate Synonyms
Clinical Classification
Clinical Information
Coding Guidelines
Tabular List of Diseases and Injuries
Diagnostic Related Groups Mapping
Convert to ICD-9 Code
Patient Education
Other Codes Used Similar Conditions
Code History

Code Classification

Injury, poisoning and certain other consequences of external causes
(S00–T88)
- Other and unspecified effects of external causes
  (T66-T78)
  - Other and unspecified effects of other external causes
    (T75)

T75.00XA is a billable diagnosis code used to specify a medical diagnosis of unspecified effects of lightning, 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.

T75.00XA is an initial encounter code, includes a 7th character and should be used while the patient is receiving active treatment for a condition like unspecified effects of lightning. 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 T75.00XA 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:

Accident caused by lightning
Direct lightning strike
Effects of direct lightning strike
Effects of lightning
Effects of side flash from lightning
Electric shock injury of peripheral nerve
Exposure to direct strike from lightning
Exposure to electric current, with passage of current through tissue
Exposure to electric current, with passage of current through tissue
Exposure to electric current, with passage of current through tissue
Exposure to ground current from lightning strike
Exposure to lightning, with passage of current through tissue
Exposure to lightning, with passage of current through tissue
Exposure to lightning, with passage of current through tissue
Exposure to side flash effects from lightning
Injury due to explosive effect of lightning strike
Injury from ground current from lightning
Lightning
Lightning injury to peripheral nerve
Side flash from lightning

Clinical Classification

Clinical Category	CCSR Category Code	Inpatient Default CCSR	Outpatient Default CCSR
Effect of other external causes, initial encounter	INJ021	Y - Yes, default inpatient assignment for principal diagnosis or first-listed diagnosis.	Y - Yes, default outpatient assignment for principal diagnosis or first-listed diagnosis.
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: natural/environment; initial encounter	EXT011	N - Not default inpatient assignment for principal diagnosis or first-listed diagnosis.	N - Not default outpatient assignment for principal diagnosis or first-listed diagnosis.

Clinical Information

Lightning
an abrupt high-current electric discharge that occurs in the atmosphere and that has a path length ranging from hundreds of feet to tens of miles. (from mcgraw-hill dictionary of scientific and technical terms, 6th ed)
Lightning Injuries
accidental injuries caused by brief high-voltage electrical discharges during thunderstorms. cardiopulmonary arrest, coma and other neurologic symptoms, myocardial necrosis, and dermal burns are common. prompt treatment of the acute sequelae, including cardiopulmonary resuscitation, is indicated for survival.
Spasms, Infantile
an epileptic syndrome characterized by the triad of infantile spasms, hypsarrhythmia, and arrest of psychomotor development at seizure onset. the majority present between 3-12 months of age, with spasms consisting of combinations of brief flexor or extensor movements of the head, trunk, and limbs. the condition is divided into two forms: cryptogenic (idiopathic) and symptomatic (secondary to a known disease process such as intrauterine infections; nervous system abnormalities; brain diseases, metabolic, inborn; prematurity; perinatal asphyxia; tuberous sclerosis; etc.). (from menkes, textbook of child neurology, 5th ed, pp744-8)
Atmosphere
the gaseous envelope surrounding a planet or similar body. (from random house unabridged dictionary, 2d ed)

Coding Guidelines

The appropriate 7th character is to be added to each code from block Other and unspecified effects of other external causes (T75). Use the following options for the aplicable episode of care:

A - initial encounter
D - subsequent encounter
S - sequela

T75.00XA 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
922	OTHER INJURY, POISONING AND TOXIC EFFECT DIAGNOSES WITH MCC	21	1.7449
923	OTHER INJURY, POISONING AND TOXIC EFFECT DIAGNOSES WITHOUT MCC	21	1.0114

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 T75.00XA to ICD-9-CM

ICD-9-CM Code: 994.0 - Effects of lightning
Approximate Flag - The approximate mapping means there is not an exact match between the ICD-10 and ICD-9 codes and the mapped code is not a precise representation of the original code.

Patient Education

Electrical Injuries

When you come in direct contact with electricity, it can pass through your body and cause injuries. These electrical injuries can be external or internal. You may have one or both types. External injuries are skin burns. Internal injuries include damage to your organs, bones, muscles, and nerves. You could also have abnormal heart rhythms and sudden cardiac arrest (SCA).

How bad your injuries are depends on how strong the electric current was, what type of current it was, how it moved through your body, and how long you were exposed. Other factors include how healthy you are, and how quickly you get treatment.

Causes of electrical injuries include:

Lightning strikes
Faulty electrical appliances
Work-related exposures
Contact with household wiring or power lines
Accidents in small children, when they bite or suck on electrical cords, or stick objects in outlets

If you get an electrical injury, you should see a doctor. You may have internal damage and not realize it.

[Learn More in MedlinePlus]

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

Filter related codes list:

T75 Other and unspecified effects of other external causes.
T75.0 Effects of lightning.
T75.00 Unspecified effects of lightning.
T75.00XD Unspecified effects of lightning, subsequent encounter.
T75.00XS Unspecified effects of lightning, sequela.
T75.01 Shock due to being struck by lightning.
T75.01XA Shock due to being struck by lightning, initial encounter.
T75.01XD Shock due to being struck by lightning, subsequent encounter.
T75.01XS Shock due to being struck by lightning, sequela.
T75.09 Other effects of lightning.
T75.09XA Other effects of lightning, initial encounter.
T75.09XD Other effects of lightning, subsequent encounter.
T75.09XS Other effects of lightning, sequela.
T75.1 Unspecified effects of drowning and nonfatal submersion.
T75.1XXA Unspecified effects of drowning and nonfatal submersion, initial encounter.
T75.1XXD Unspecified effects of drowning and nonfatal submersion, subsequent encounter.
T75.1XXS Unspecified effects of drowning and nonfatal submersion, sequela.
T75.2 Effects of vibration.
T75.20 Unspecified effects of vibration.
T75.20XA Unspecified effects of vibration, initial encounter.
T75.20XD Unspecified effects of vibration, subsequent encounter.
T75.20XS Unspecified effects of vibration, sequela.
T75.21 Pneumatic hammer syndrome.
T75.21XA Pneumatic hammer syndrome, initial encounter.
T75.21XD Pneumatic hammer syndrome, subsequent encounter.
T75.21XS Pneumatic hammer syndrome, sequela.
T75.22 Traumatic vasospastic syndrome.
T75.22XA Traumatic vasospastic syndrome, initial encounter.
T75.22XD Traumatic vasospastic syndrome, subsequent encounter.
T75.22XS Traumatic vasospastic syndrome, sequela.
T75.23 Vertigo from infrasound.
T75.23XA Vertigo from infrasound, initial encounter.
T75.23XD Vertigo from infrasound, subsequent encounter.
T75.23XS Vertigo from infrasound, sequela.
T75.29 Other effects of vibration.
T75.29XA Other effects of vibration, initial encounter.
T75.29XD Other effects of vibration, subsequent encounter.
T75.29XS Other effects of vibration, sequela.
T75.3 Motion sickness.
T75.3XXA Motion sickness, initial encounter.
T75.3XXD Motion sickness, subsequent encounter.
T75.3XXS Motion sickness, sequela.
T75.4 Electrocution.
T75.4XXA Electrocution, initial encounter.
T75.4XXD Electrocution, subsequent encounter.
T75.4XXS Electrocution, sequela.
T75.8 Other specified effects of external causes.
T75.81 Effects of abnormal gravitation [G] forces.
T75.81XA Effects of abnormal gravitation [G] forces, initial encounter.
T75.81XD Effects of abnormal gravitation [G] forces, subsequent encounter.
T75.81XS Effects of abnormal gravitation [G] forces, sequela.

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.