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U.S. ICD-10-CM · FY 2027

S23.120D ICD-10-CM Code: Subluxation of T2/T3 thoracic vertebra, subsequent encounter

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

Code definition

Official description

S23.120D

Subluxation of T2/T3 thoracic vertebra, subsequent encounter

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

Classification

Where S23.120D 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 S23.120

    Subluxation of T2/T3 thoracic vertebra

  5. 5

    Code S23.120D

    Subluxation of T2/T3 thoracic vertebra, subsequent encounter

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for S23.120D.

Code first

No “code first” instruction is listed for S23.120D.

Use additional code

No “use additional code” instruction is listed for S23.120D.

Excludes1

Conditions that should not be reported together with this code.

No Excludes1 note is listed for S23.120D.

Excludes2

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

No Excludes2 note is listed for S23.120D.

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 S23.120D mean?

S23.120D is the FY 2027 U.S. ICD-10-CM code for “Subluxation of T2/T3 thoracic vertebra, subsequent encounter.”

Is S23.120D a billable or specific ICD-10-CM code?

Yes. In the FY 2027 reference data used on this page, S23.120D 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 S23.120D located in ICD-10-CM?

S23.120D 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 S23.120, Subluxation of T2/T3 thoracic vertebra.

What coding notes are listed for S23.120D?

No inclusion terms are listed for S23.120D in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.

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