ICDcodes.org
FY2027

Y37.300DMilitary operations involving unspecified fire, conflagration and hot substance, military personnel, subsequent encounter

BillableUnspecified

Is Y37.300D billable?

Yes, but Y37.300D is an unspecified code. Y37.300D is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, Y37.300D is an unspecified or catch-all code. Payers apply additional scrutiny to unspecified codes and many deny them when the medical record supports a more specific option, so check the documentation before selecting Y37.300D — the more specific alternatives are listed below.

Y37.300D at a glance

CodeY37.300D
DescriptionMilitary operations involving unspecified fire, conflagration and hot substance, military personnel, subsequent encounter
BillableYes
Code setICD-10-CM FY2027
Valid for encountersOctober 1, 2026 – September 30, 2027
7th character "D"subsequent encounter

What does the 7th character "D" mean in Y37.300D?

In Y37.300D, the 7th character D means subsequent encounter. The 7th character is required for Y37.300D to be a valid, complete code.

Same condition, different episode of care — switch the 7th character:

How is Y37.300D listed in the External Cause Index?

The External Cause of Injuries Index lists these routes under Y37.30, the nearest indexed parent of Y37.300D. This is a separate index from the Alphabetic Index and is where external cause codes are looked up.

  • Military operationsfire (injuries to military and civilians occuring during peacetime on military property and during routine military exercises and operations) (by) (from) (involving)

Excludes1 — never code together — inherited from Y37

The conditions below can never be reported together with Y37.300D on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.

Excludes1 — never code together — inherited from Y37.3

The conditions below can never be reported together with Y37.300D on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.

  • 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-)

How long has Y37.300D existed?

Y37.300D has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.

Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.