U.S. ICD-10-CM · FY 2027

X99 ICD-10-CM Code: Assault by sharp object

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Code definition

Official description

X99

Assault by sharp object

ICD-10-CM diagnosis code · United States clinical modification

Classification

Where X99 sits

  1. 1

    Chapter 20

    External causes of morbidity (V00-Y99)

  2. 2

    Section

    Assault (X92-Y09)

  3. 3

    Category X99

    Assault by sharp object

  4. 4

    Code X99

    Assault by sharp object

More specific choices

Codes under X99

X99 is a non-billable category. Choose the child code that best matches the documented diagnosis.

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for X99.

Code first

No “code first” instruction is listed for X99.

Use additional code

No “use additional code” instruction is listed for X99.

Excludes1

Conditions that should not be reported together with this code.

  • assault by strike by sports equipment (Y08.0-)

Excludes2

Conditions not included here that may be reported separately when present.

No Excludes2 note is listed for X99.

Transparency

Source and release

Data release

U.S. ICD-10-CM · FY 2027

Effective date

Oct 1, 2026

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Review the CDC/NCHS ICD-10-CM source

Code-specific guidance

Frequently asked questions

What does ICD-10-CM code X99 mean?

X99 is the FY 2027 U.S. ICD-10-CM code for “Assault by sharp object.”

Is X99 a billable or specific ICD-10-CM code?

No. X99 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.

Where is X99 located in ICD-10-CM?

X99 is listed in Chapter 20, External causes of morbidity (V00-Y99), within Assault (X92-Y09) (X92–Y09), under category X99, Assault by sharp object.

What coding notes are listed for X99?

No inclusion terms are listed for X99 in this reference record. No code-first instruction is listed. Excludes1 notes: assault by strike by sports equipment (Y08.0-). No Excludes2 note is listed.

Ready to transform your clinical documentation?

Join Vero and see how effortless documentation can be.

  • No credit card required

  • Cancel anytime