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U.S. ICD-10-CM · FY 2027

L98.454 ICD-10-CM Code: Non-pressure chronic ulcer of neck with necrosis of bone

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

Code definition

Official description

L98.454

Non-pressure chronic ulcer of neck with necrosis of bone

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

Classification

Where L98.454 sits

  1. 1

    Chapter 12

    Diseases of the skin and subcutaneous tissue (L00-L99)

  2. 2

    Section

    Other disorders of the skin and subcutaneous tissue (L80-L99)

  3. 3

    Category L98

    Other disorders of skin and subcutaneous tissue, not elsewhere classified

  4. 4

    Subcategory L98.45

    Non-pressure chronic ulcer of neck

  5. 5

    Code L98.454

    Non-pressure chronic ulcer of neck with necrosis of bone

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for L98.454.

Code first

No “code first” instruction is listed for L98.454.

Use additional code

No “use additional code” instruction is listed for L98.454.

Excludes1

Conditions that should not be reported together with this code.

No Excludes1 note is listed for L98.454.

Excludes2

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

No Excludes2 note is listed for L98.454.

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 L98.454 mean?

L98.454 is the FY 2027 U.S. ICD-10-CM code for “Non-pressure chronic ulcer of neck with necrosis of bone.”

Is L98.454 a billable or specific ICD-10-CM code?

Yes. In the FY 2027 reference data used on this page, L98.454 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 L98.454 located in ICD-10-CM?

L98.454 is listed in Chapter 12, Diseases of the skin and subcutaneous tissue (L00-L99), within Other disorders of the skin and subcutaneous tissue (L80-L99) (L80–L99), under category L98, Other disorders of skin and subcutaneous tissue, not elsewhere classified and subcategory L98.45, Non-pressure chronic ulcer of neck.

What coding notes are listed for L98.454?

No inclusion terms are listed for L98.454 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.

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