When is ICD-10 code L98.A used?

Doctors, hospitals, and insurers may use ICD-10 code L98.A when recording non-pressure chronic ulcer of upper limb, not elsewhere classified in a standardized format. This entry may also act as a broader category that points toward more specific child codes.

Does ICD-10 code L98.A confirm a diagnosis?

No. A code helps standardize documentation and claims, but it should not be read as a substitute for a clinician's full assessment.

ICD10

ICD-10 Code L98.A: Non-pressure chronic ulcer of upper limb, not elsewhere classified

Name: ICD-10 Code L98.A: Non-pressure chronic ulcer of upper limb, not elsewhere classified
Creator: HealthAssure Clinical Team
Published: 2026-05-21T06:18:55.516Z

L98.A is an ICD-10 diagnosis entry used to group records related to Non-pressure chronic ulcer of upper limb, not elsewhere classified. You may see this entry in coding references, medical records, or claims workflows when a broader diagnosis category is being reviewed before a more specific code is chosen. ICD-10 entries help standardize how diagnoses are organized for coding, reporting, analytics, and documentation. This code sits within the broader ICD-10 area for Diseases of the skin and subcutaneous tissue (L00-L99).

Reviewed by HealthAssure Clinical TeamUpdated 21 May 2026

What is this code?

ICD-10 entries help standardize how diagnoses are organized for coding, reporting, analytics, and documentation. This code sits within the broader ICD-10 area for Diseases of the skin and subcutaneous tissue (L00-L99).

When is it used?

May be used when a clinician documents non-pressure chronic ulcer of upper limb, not elsewhere classified in a patient's medical record.
May appear in hospital records, claims, referrals, and clinical documentation.
This code may act more like a grouping or parent code, so a more specific child code may be used in final documentation when available.

What it does not mean

A code alone does not explain severity, treatment plan, or outcome.
A medical code should not be treated as a substitute for a doctor's diagnosis or advice.
This entry may represent a broader category rather than the most specific billable code.

Code hierarchy

chapter

12Diseases of the skin and subcutaneous tissue (L00-L99)

block

L80-L99Other disorders of the skin and subcutaneous tissue

Official coding notes

Inclusion terms

Chronic ulcer of upper limb NOS
Non-healing ulcer of upper limb
Ulcer of upper limb NEC

Excludes2 (may code together if documented)

gangrene (I96)
pressure ulcer (pressure area) (L89.-)
skin infections (L00-L08)
specific infections classified to A00-B99
ulcer of lower limb NEC (L97.-)
varicose ulcer (I83.0-I83.93)

Where you may see this code

You may see this entry in coding references, medical records, or claims workflows when a broader diagnosis category is being reviewed before a more specific code is chosen.

Related specialists

Dermatologist

Sibling codes

L98.0Pyogenic granulomabillable L98.1Factitial dermatitisbillable L98.2Febrile neutrophilic dermatosis [Sweet]billable L98.3Eosinophilic cellulitis [Wells]billable L98.4Non-pressure chronic ulcer of skin, not elsewhere classified L98.5Mucinosis of the skinbillable L98.6Other infiltrative disorders of the skin and subcutaneous tissuebillable L98.7Excessive and redundant skin and subcutaneous tissuebillable L98.8Other specified disorders of the skin and subcutaneous tissuebillable L98.9Disorder of the skin and subcutaneous tissue, unspecifiedbillable

Coding guidelines

Common synonyms

Non-pressure chronic ulcer of upper limb, not elsewhere classified

Frequently asked questions

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.