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U.S. ICD-10-CM · FY 2027

Y23.9XXS ICD-10-CM Code: Unspecified larger firearm discharge, undetermined intent, sequela

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

Code definition

Official description

Y23.9XXS

Unspecified larger firearm discharge, undetermined intent, sequela

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

Classification

Where Y23.9XXS sits

  1. 1

    Chapter 20

    External causes of morbidity (V00-Y99)

  2. 2

    Section

    Event of undetermined intent (Y21-Y33)

  3. 3

    Category Y23

    Rifle, shotgun and larger firearm discharge, undetermined intent

  4. 4

    Subcategory Y23.9

    Unspecified larger firearm discharge, undetermined intent

  5. 5

    Code Y23.9XXS

    Unspecified larger firearm discharge, undetermined intent, sequela

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for Y23.9XXS.

Code first

No “code first” instruction is listed for Y23.9XXS.

Use additional code

No “use additional code” instruction is listed for Y23.9XXS.

Excludes1

Conditions that should not be reported together with this code.

No Excludes1 note is listed for Y23.9XXS.

Excludes2

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

No Excludes2 note is listed for Y23.9XXS.

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 Y23.9XXS mean?

Y23.9XXS is the FY 2027 U.S. ICD-10-CM code for “Unspecified larger firearm discharge, undetermined intent, sequela.”

Is Y23.9XXS a billable or specific ICD-10-CM code?

Yes. In the FY 2027 reference data used on this page, Y23.9XXS has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.

Where is Y23.9XXS located in ICD-10-CM?

Y23.9XXS is listed in Chapter 20, External causes of morbidity (V00-Y99), within Event of undetermined intent (Y21-Y33) (Y21–Y33), under category Y23, Rifle, shotgun and larger firearm discharge, undetermined intent and subcategory Y23.9, Unspecified larger firearm discharge, undetermined intent.

What coding notes are listed for Y23.9XXS?

No inclusion terms are listed for Y23.9XXS in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.

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