Explosion of other materials (W40)

    • ICD-10 Index

      • External causes of morbidity and mortality (V01–Y98)

        • Exposure to inanimate mechanical forces (W20-W49)

            • Explosion of other materials (W40)
            • W40 - Explosion of other materials NON-BILLABLE CODE
            • W40.0 - Explosion of blasting material NON-BILLABLE CODE
            • W40.0XXA - Explosion of blasting material, initial encounter BILLABLE CODE
            • W40.0XXD - Explosion of blasting material, subsequent encounter BILLABLE CODE
            • W40.0XXS - Explosion of blasting material, sequela BILLABLE CODE
            • W40.1 - Explosion of explosive gases NON-BILLABLE CODE
            • W40.1XXA - Explosion of explosive gases, initial encounter BILLABLE CODE
            • W40.1XXD - Explosion of explosive gases, subsequent encounter BILLABLE CODE
            • W40.1XXS - Explosion of explosive gases, sequela BILLABLE CODE
            • W40.8 - Explosion of other specified explosive materials NON-BILLABLE CODE
            • W40.8XXA - Explosion of oth explosive materials, init encntr BILLABLE CODE
            • W40.8XXD - Explosion of oth explosive materials, subs encntr BILLABLE CODE
            • W40.8XXS - Explosion of other specified explosive materials, sequela BILLABLE CODE
            • W40.9 - Explosion of unspecified explosive materials NON-BILLABLE CODE
            • W40.9XXA - Explosion of unspecified explosive materials, init encntr BILLABLE CODE
            • W40.9XXD - Explosion of unspecified explosive materials, subs encntr BILLABLE CODE
            • W40.9XXS - Explosion of unspecified explosive materials, sequela BILLABLE CODE

Instructional Notations

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.

  • assault by explosive material X96
  • explosion involving legal intervention Y35.1
  • explosion involving military or war operations Y36.0 Y36.2
  • intentional self-harm by explosive material X75

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 W40

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