Explosion of explosive gases, initial encounter
Billable / specificPOA exempt
W40.1XXA is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.
Inclusion terms
Includes (from W40)
- Note: This chapter permits the classification of environmental events and circumstances as the cause of injury, and other adverse effects. Where a code from this section is applicable, it is intended that it shall be used secondary to a code from another chapter of the Classification indicating the nature of the condition. Most often, the condition will be classifiable to Chapter 19, Injury, poisoning and certain other consequences of external causes (S00-T88). Other conditions that may be stated to be due to external causes are classified in Chapters I to XVIII. For these conditions, codes from Chapter 20 should be used to provide additional information as to the cause of the condition.
Excludes1
Not coded here — never report together with this code.
- assault (X92-Y09) (from W40)
- contact or collision with animals or persons (W50-W64) (from W40)
- exposure to inanimate mechanical forces involving military or war operations (Y36.-, Y37.-) (from W40)
- intentional self-harm (X71-X83) (from W40)
- assault by explosive material (X96) (from W40)
- explosion involving legal intervention (Y35.1-) (from W40)
- explosion involving military or war operations (Y36.0-, Y36.2-) (from W40)
- intentional self-harm by explosive material (X75) (from W40)
7th character
The 7th character values that apply to this code (defined at W40). Use the placeholder "X" for missing positions.
| Character | Meaning |
|---|---|
| A | initial encounter |
| D | subsequent encounter |
| S | sequela |
Parent code
- W40.1Explosion of explosive gasesNeeds 7th char