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U.S. ICD-10-CM · FY 2027

S44.12XA ICD-10-CM Code: Injury of median nerve at upper arm level, left arm, initial 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

S44.12XA

Injury of median nerve at upper arm level, left arm, initial encounter

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

Classification

Where S44.12XA 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 S44

    Injury of nerves at shoulder and upper arm level

  4. 4

    Subcategory S44.12

    Injury of median nerve at upper arm level, left arm

  5. 5

    Code S44.12XA

    Injury of median nerve at upper arm level, left arm, initial encounter

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for S44.12XA.

Code first

No “code first” instruction is listed for S44.12XA.

Use additional code

No “use additional code” instruction is listed for S44.12XA.

Excludes1

Conditions that should not be reported together with this code.

No Excludes1 note is listed for S44.12XA.

Excludes2

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

No Excludes2 note is listed for S44.12XA.

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 S44.12XA mean?

S44.12XA is the FY 2027 U.S. ICD-10-CM code for “Injury of median nerve at upper arm level, left arm, initial encounter.”

Is S44.12XA a billable or specific ICD-10-CM code?

Yes. In the FY 2027 reference data used on this page, S44.12XA 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 S44.12XA located in ICD-10-CM?

S44.12XA 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 S44, Injury of nerves at shoulder and upper arm level and subcategory S44.12, Injury of median nerve at upper arm level, left arm.

What coding notes are listed for S44.12XA?

No inclusion terms are listed for S44.12XA in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.

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