Version 2024

2024 ICD-10-CM Diagnosis Code T54.2

Toxic effects of corrosive acids and acid-like substances

ICD-10-CM Code:
T54.2
ICD-10 Code for:
Toxic effects of corrosive acids and acid-like substances
Is Billable?
Not Valid for Submission
Code Navigator:

Code Classification

  • Injury, poisoning and certain other consequences of external causes
    (S00–T88)
    • Toxic effects of substances chiefly nonmedicinal as to source
      (T51-T65)
      • Toxic effect of corrosive substances
        (T54)

T54.2 is a non-specific and non-billable diagnosis code code, consider using a code with a higher level of specificity for a diagnosis of toxic effects of corrosive acids and acid-like substances. The code is not specific and is NOT valid for the year 2024 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.

Specific Coding Applicable to Toxic effects of corrosive acids and acid-like substances

Non-specific codes like T54.2 require more digits to indicate the appropriate level of specificity. Consider using any of the following ICD-10-CM codes with a higher level of specificity when coding for toxic effects of corrosive acids and acid-like substances:

  • T54.2X for Toxic effects of corrosive acids and acid-like substances - NON-BILLABLE CODE

  • T54.2X1 for Toxic effect of corrosive acids and acid-like substances, accidental (unintentional) - NON-BILLABLE CODE

  • Use T54.2X1A for initial encounter - BILLABLE CODE

  • Use T54.2X1D for subsequent encounter - BILLABLE CODE

  • Use T54.2X1S for sequela - BILLABLE CODE

  • T54.2X2 for Toxic effect of corrosive acids and acid-like substances, intentional self-harm - NON-BILLABLE CODE

  • Use T54.2X2A for initial encounter - BILLABLE CODE

  • Use T54.2X2D for subsequent encounter - BILLABLE CODE

  • Use T54.2X2S for sequela - BILLABLE CODE

  • T54.2X3 for Toxic effect of corrosive acids and acid-like substances, assault - NON-BILLABLE CODE

  • Use T54.2X3A for initial encounter - BILLABLE CODE

  • Use T54.2X3D for subsequent encounter - BILLABLE CODE

  • Use T54.2X3S for sequela - BILLABLE CODE

  • T54.2X4 for Toxic effect of corrosive acids and acid-like substances, undetermined - NON-BILLABLE CODE

  • Use T54.2X4A for initial encounter - BILLABLE CODE

  • Use T54.2X4D for subsequent encounter - BILLABLE CODE

  • Use T54.2X4S for sequela - BILLABLE CODE

Coding Guidelines

When a harmful substance is ingested or comes in contact with a person, this is classified as a toxic effect. Toxic effect codes have an associated intent: accidental, intentional self-harm, assault and undetermined.

The appropriate 7th character is to be added to each code from block Toxic effect of corrosive substances (T54). Use the following options for the aplicable episode of care:

  • A - initial encounter
  • D - subsequent encounter
  • S - sequela

Tabular List of Diseases and Injuries

The following annotation back-references are applicable to this diagnosis code. The Tabular List of Diseases and Injuries is a list of ICD-10-CM codes, organized "head to toe" into chapters and sections with coding notes and guidance for inclusions, exclusions, descriptions and more.


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.
  • Toxic effects of hydrochloric acid
  • Toxic effects of sulfuric acid

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.