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  6. 2024 ICD-10-CM Code T56
Version 2024
Non-Billable Code

2024 ICD-10-CM Diagnosis Code T56

Toxic effect of metals

ICD-10-CM Code:
T56
ICD-10 Code for:
Toxic effect of metals
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 metals
        (T56)

T56 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 effect of metals. 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 effect of metals

Non-specific codes like T56 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 effect of metals:

  • T56.0 for Toxic effects of lead and its compounds - NON-BILLABLE CODE

  • T56.0X for Toxic effects of lead and its compounds - NON-BILLABLE CODE

  • T56.1 for Toxic effects of mercury and its compounds - NON-BILLABLE CODE

  • T56.1X for Toxic effects of mercury and its compounds - NON-BILLABLE CODE

  • T56.2 for Toxic effects of chromium and its compounds - NON-BILLABLE CODE

  • T56.2X for Toxic effects of chromium and its compounds - NON-BILLABLE CODE

  • T56.3 for Toxic effects of cadmium and its compounds - NON-BILLABLE CODE

  • T56.3X for Toxic effects of cadmium and its compounds - NON-BILLABLE CODE

  • T56.4 for Toxic effects of copper and its compounds - NON-BILLABLE CODE

  • T56.4X for Toxic effects of copper and its compounds - NON-BILLABLE CODE

  • T56.5 for Toxic effects of zinc and its compounds - NON-BILLABLE CODE

  • T56.5X for Toxic effects of zinc and its compounds - NON-BILLABLE CODE

  • T56.6 for Toxic effects of tin and its compounds - NON-BILLABLE CODE

  • T56.6X for Toxic effects of tin and its compounds - NON-BILLABLE CODE

  • T56.7 for Toxic effects of beryllium and its compounds - NON-BILLABLE CODE

  • T56.7X for Toxic effects of beryllium and its compounds - NON-BILLABLE CODE

  • T56.8 for Toxic effects of other metals - NON-BILLABLE CODE

  • T56.81 for Toxic effect of thallium - NON-BILLABLE CODE

  • T56.82 for Toxic effect of gadolinium - NON-BILLABLE CODE

  • T56.89 for Toxic effects of other metals - NON-BILLABLE CODE

  • T56.9 for Toxic effects of unspecified metal - NON-BILLABLE CODE

  • T56.91 for Toxic effect of unspecified metal, accidental (unintentional) - NON-BILLABLE CODE

  • T56.92 for Toxic effect of unspecified metal, intentional self-harm - NON-BILLABLE CODE

  • T56.93 for Toxic effect of unspecified metal, assault - NON-BILLABLE CODE

  • T56.94 for Toxic effect of unspecified metal, undetermined - NON-BILLABLE CODE

Coding Guidelines

The appropriate 7th character is to be added to each code from block Toxic effect of metals (T56). 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.


Includes

Includes
This note appears immediately under a three character code title to further define, or give examples of, the content of the category.
  • toxic effects of fumes and vapors of metals
  • toxic effects of metals from all sources, except medicinal substances

Use Additional Code

Use Additional Code
The “use additional code” indicates that a secondary code could be used to further specify the patient’s condition. This note is not mandatory and is only used if enough information is available to assign an additional code.
  • code to identify any retained metal foreign body, if applicable Z18.0 T18.1

Type 1 Excludes

Type 1 Excludes
A type 1 excludes note is a pure excludes note. It means "NOT CODED HERE!" An Excludes1 note indicates that the code excluded should never be used at the same time as the code above the Excludes1 note. An Excludes1 is used when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
  • arsenic and its compounds T57.0
  • manganese and its compounds T57.2

7th Character Note

7th Character Note
Certain ICD-10-CM categories have applicable 7th characters. The applicable 7th character is required for all codes within the category, or as the notes in the Tabular List instruct. The 7th character must always be the 7th character in the data field. If a code that requires a 7th character is not 6 characters, a placeholder X must be used to fill in the empty characters.
  • The appropriate 7th character is to be added to each code from category T56

7th Character

7th Character
Indicates that a seventh character is to be assigned to codes in a subcategory.
  • A - initial encounter
  • D - subsequent encounter
  • S - 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.