ICDcodes.org
FY2027

X98.9XXAAssault by unspecified hot objects, initial encounter

BillableUnspecified

Is X98.9XXA billable?

Yes, but X98.9XXA is an unspecified code. X98.9XXA is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, X98.9XXA 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 X98.9XXA — the more specific alternatives are listed below.

X98.9XXA at a glance

CodeX98.9XXA
DescriptionAssault by unspecified hot objects, initial encounter
BillableYes
Code setICD-10-CM FY2027
Valid for encountersOctober 1, 2026 – September 30, 2027
7th character "A"initial encounter

What does the 7th character "A" mean in X98.9XXA?

In X98.9XXA, the 7th character A means initial encounter. The 7th character is required for X98.9XXA to be a valid, complete code.

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

How is X98.9XXA listed in the External Cause Index?

The External Cause of Injuries Index lists these routes under X98.9, the nearest indexed parent of X98.9XXA. This is a separate index from the Alphabetic Index and is where external cause codes are looked up.

  • Assaultburning, burnsNEChot object (homicidal) (by) (in)

Excludes1 — never code together — inherited from X92-Y09

The conditions below can never be reported together with X98.9XXA on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.

  • injuries due to legal intervention (Y35.-)
  • injuries due to operations of war (Y36.-)
  • injuries due to terrorism (Y38.-)

How long has X98.9XXA existed?

X98.9XXA 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.