ICDcodes.org
FY2027

Y23.9XXDUnspecified larger firearm discharge, undetermined intent, subsequent encounter

BillableUnspecified

Is Y23.9XXD billable?

Yes, but Y23.9XXD is an unspecified code. Y23.9XXD is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, Y23.9XXD 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 Y23.9XXD — the more specific alternatives are listed below.

Y23.9XXD at a glance

CodeY23.9XXD
DescriptionUnspecified larger firearm discharge, undetermined intent, 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 Y23.9XXD?

In Y23.9XXD, the 7th character D means subsequent encounter. The 7th character is required for Y23.9XXD to be a valid, complete code.

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

How is Y23.9XXD listed in the External Cause Index?

The External Cause of Injuries Index lists these routes under Y23.9, the nearest indexed parent of Y23.9XXD. This is a separate index from the Alphabetic Index and is where external cause codes are looked up.

  • Dischargefirearmlarger (accidental)
  • Undetermined intentfirearm dischargelarger (contact) (exposure)
  • Dischargefirearmlargerstated as undetermined whether accidental or intentional (accidental)

Excludes2 — not included here — inherited from Y23

The conditions below are not part of Y23.9XXD, but a patient may have both at the same time. When documentation supports it, Y23.9XXD and the excluded code may both be reported.

How long has Y23.9XXD existed?

Y23.9XXD 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.