Y37.3 — Military operations involving fires, conflagrations and hot substances
Y37.3 is a non-billable header ICD-10-CM code for military operations involving fires, conflagrations and hot substances. It cannot be billed on its own: choose one of the more specific child codes below. This code also requires a 7th character before it is complete.
This code requires a 7th character
The appropriate 7th character is to be added to each code from category Y37
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Excludes1 — never code together
These conditions cannot occur together. Billing both on the same encounter is a denial.
- military operations involving fires and conflagrations aboard military aircraft (Y37.1-)
- military operations involving fires and conflagrations aboard military watercraft (Y37.0-)
- military operations involving fires and conflagrations caused indirectly by conventional weapons (Y37.2-)
- military operations involving fires and thermal effects of nuclear weapons (Y36.53-)
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Military operations involving smoke, fumes, and heat from fires, conflagrations and hot substances
Other codes that can never be billed with Y37.3
These codes carry an Excludes1 note pointing at Y37.3. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading Y37.3 alone.
- Y37.43Military operations involving other firearms discharge
Risk adjustment
Y37.3 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.
Code to one of these instead Y37.3
5 child codes. Green means billable.
- Y37.30Military operations involving unspecified fire, conflagration and hot substance
- Y37.31Military operations involving gasoline bomb
- Y37.32Military operations involving incendiary bullet
- Y37.33Military operations involving flamethrower
- Y37.39Military operations involving other fires, conflagrations and hot substances
Related codes at this level
Codes that share Y37. If Y37.3 is not quite right, the correct code is usually one of these.
- Y37.0Military operations involving explosion of marine weapons
- Y37.1Military operations involving destruction of aircraft
- Y37.2Military operations involving other explosions and fragments
- Y37.4Military operations involving firearm discharge and other forms of conventional warfare
- Y37.5Military operations involving nuclear weapons
- Y37.6Military operations involving biological weapons
- Y37.7Military operations involving chemical weapons and other forms of unconventional warfare
- Y37.9Other and unspecified military operations
- Y37.ABlast overpressure in military operations
Questions about Y37.3
- Is Y37.3 a billable ICD-10-CM code?
- No. Y37.3 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
- Where does Y37.3 sit in the tabular list?
- External causes of morbidity (V00-Y99), in the block Legal intervention, operations of war, military operations, and terrorism (Y35-Y38).
- What cannot be coded together with Y37.3?
- Y37.3 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.