Y37
Header — not billableMilitary operations
The ICD-10 code for military operations is Y37.
Y37 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 10 more specific codes below.
Clinical notes
Excludes1 (not coded here)
An Excludes1 note is a pure exclusion: the excluded condition and this code should never be reported together, because the two conditions cannot occur at the same time (e.g. a congenital form vs. an acquired form of the same disease).
- military aircraft involved in aircraft accident with civilian aircraft (V97.81-)
- military vehicles involved in transport accident with civilian vehicle (V09.01, V09.21, V19.81, V29.818, V39.81, V49.81, V59.81, V69.81, V79.81)
- military watercraft involved in water transport accident with civilian watercraft (V94.81-)
- war operations (Y36.-)
Includes
Terms listed here further define or give examples of the conditions grouped under this code — they describe what the code covers, not a separate diagnosis.
- injuries to military personnel and civilians occurring during peacetime on military property and during routine military exercises and operations
7th character definitions
These definitions specify what each valid 7th-character value means for codes in this category.
- [object Object]
7th character note
This category requires a 7th character to indicate additional clinical detail (e.g. encounter type: initial, subsequent, sequela). The code is incomplete without it.
- The appropriate 7th character is to be added to each code from category Y37
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This is a non-billable header code. Documentation must support a more specific child code before this diagnosis can be reported on a claim.
- •Confirm the excluded condition(s) listed above are not also present — Excludes1 conditions cannot be coded together with this one.
- •This category requires a 7th character. Documentation should clearly indicate the episode of care (initial encounter, subsequent encounter, or sequela).
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Child codes under Y37
- Y37.0Military operations involving explosion of marine weaponsnon-billable header
- Y37.1Military operations involving destruction of aircraftnon-billable header
- Y37.2Military operations involving other explosions and fragmentsnon-billable header
- Y37.3Military operations involving fires, conflagrations and hot substancesnon-billable header
- Y37.4Military operations involving firearm discharge and other forms of conventional warfarenon-billable header
- Y37.5Military operations involving nuclear weaponsnon-billable header
- Y37.6Military operations involving biological weaponsnon-billable header
- Y37.7Military operations involving chemical weapons and other forms of unconventional warfarenon-billable header
- Y37.9Other and unspecified military operationsnon-billable header
- Y37.ABlast overpressure in military operationsnon-billable header
Related codes in this category
- Y35Legal interventionnon-billable header
- Y36Operations of warnon-billable header
- Y38Terrorismnon-billable header
- Y37Military operationsnon-billable header