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U.S. ICD-10-CM · FY 2027

S42.323K ICD-10-CM Code: Displaced transverse fracture of shaft of humerus, unspecified arm, subsequent encounter for fracture with nonunion

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

Code definition

Official description

S42.323K

Displaced transverse fracture of shaft of humerus, unspecified arm, subsequent encounter for fracture with nonunion

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

Classification

Where S42.323K sits

  1. 1

    Chapter 19

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

  2. 2

    Section

    Injuries to the shoulder and upper arm (S40-S49)

  3. 3

    Category S42

    Fracture of shoulder and upper arm

  4. 4

    Subcategory S42.323

    Displaced transverse fracture of shaft of humerus, unspecified arm

  5. 5

    Code S42.323K

    Displaced transverse fracture of shaft of humerus, unspecified arm, subsequent encounter for fracture with nonunion

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for S42.323K.

Code first

No “code first” instruction is listed for S42.323K.

Use additional code

No “use additional code” instruction is listed for S42.323K.

Excludes1

Conditions that should not be reported together with this code.

No Excludes1 note is listed for S42.323K.

Excludes2

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

No Excludes2 note is listed for S42.323K.

Transparency

Source and release

Data release

U.S. ICD-10-CM · FY 2027

Effective date

Oct 1, 2026

Publisher

Vero Scribe Inc.

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 S42.323K mean?

S42.323K is the FY 2027 U.S. ICD-10-CM code for “Displaced transverse fracture of shaft of humerus, unspecified arm, subsequent encounter for fracture with nonunion.”

Is S42.323K a billable or specific ICD-10-CM code?

Yes. In the FY 2027 reference data used on this page, S42.323K 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 S42.323K located in ICD-10-CM?

S42.323K is listed in Chapter 19, Injury, poisoning and certain other consequences of external causes (S00-T88), within Injuries to the shoulder and upper arm (S40-S49) (S40–S49), under category S42, Fracture of shoulder and upper arm and subcategory S42.323, Displaced transverse fracture of shaft of humerus, unspecified arm.

What coding notes are listed for S42.323K?

No inclusion terms are listed for S42.323K in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.

Keep exploring

Related S42.323 codes

S42.323A

Displaced transverse fracture of shaft of humerus, unspecified arm, initial encounter for closed fracture

S42.323B

Displaced transverse fracture of shaft of humerus, unspecified arm, initial encounter for open fracture

S42.323D

Displaced transverse fracture of shaft of humerus, unspecified arm, subsequent encounter for fracture with routine healing

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