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U.S. ICD-10-CM · FY 2027

S23.428S ICD-10-CM Code: Other sprain of sternum, 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

S23.428S

Other sprain of sternum, sequela

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

Classification

Where S23.428S sits

  1. 1

    Chapter 19

    Injury, poisoning and certain other consequences of external causes (S00-T88)

  2. 2

    Section

    Injuries to the thorax (S20-S29)

  3. 3

    Category S23

    Dislocation and sprain of joints and ligaments of thorax

  4. 4

    Subcategory S23.428

    Other sprain of sternum

  5. 5

    Code S23.428S

    Other sprain of sternum, sequela

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for S23.428S.

Code first

No “code first” instruction is listed for S23.428S.

Use additional code

No “use additional code” instruction is listed for S23.428S.

Excludes1

Conditions that should not be reported together with this code.

No Excludes1 note is listed for S23.428S.

Excludes2

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

No Excludes2 note is listed for S23.428S.

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 S23.428S mean?

S23.428S is the FY 2027 U.S. ICD-10-CM code for “Other sprain of sternum, sequela.”

Is S23.428S a billable or specific ICD-10-CM code?

Yes. In the FY 2027 reference data used on this page, S23.428S 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 S23.428S located in ICD-10-CM?

S23.428S is listed in Chapter 19, Injury, poisoning and certain other consequences of external causes (S00-T88), within Injuries to the thorax (S20-S29) (S20–S29), under category S23, Dislocation and sprain of joints and ligaments of thorax and subcategory S23.428, Other sprain of sternum.

What coding notes are listed for S23.428S?

No inclusion terms are listed for S23.428S in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.

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