W40 - Explosion of other materials

Version 2023
ICD-10:W40
Short Description:Explosion of other materials
Long Description:Explosion of other materials
Status: Not Valid for Submission
Version:ICD-10-CM 2023
Code Classification:
  • External causes of morbidity and mortality (V01–Y98)
    • Exposure to inanimate mechanical forces (W20-W49)
      • Explosion of other materials (W40)

W40 is a non-specific and non-billable ICD-10 code code, consider using a code with a higher level of specificity for a diagnosis of explosion of other materials. The code is not specific and is NOT valid for the year 2023 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 for Explosion of other materials

Non-specific codes like W40 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 explosion of other materials:

  • NON-BILLABLE CODE - W40.0 for Explosion of blasting material
  • NON-BILLABLE CODE - W40.1 for Explosion of explosive gases
  • NON-BILLABLE CODE - W40.8 for Explosion of other specified explosive materials
  • NON-BILLABLE CODE - W40.9 for Explosion of unspecified explosive materials

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 coding notes and guidance for inclusions, exclusions, descriptions and more. The following references are applicable to this diagnosis code:


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.

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.

7th Character

7th Character
Indicates that a seventh character is to be assigned to codes in a subcategory.

Code History