L98.A21 Non-pressure chronic ulcer of right forearm

The ICD-10-CM code for Non-pressure chronic ulcer of right forearm is L98.A21 (FY2026). It is a non-billable category code — select a more specific code below for claims.

Classification

Chapter

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

Section

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

Category L98

168 codes (145 billable)

FY2026 Status

New code in FY2026

Official Coding Guidelines

Pressure ulcer stages—L89 identifies site/stage; code all ulcers

a. Pressure ulcer stage codes 1) Pressure ulcer stages Codes in category L89, Pressure ulcer, identify the site and stage of the pressure ulcer. The ICD-10-CM classifies pressure ulcer stages based on severity, which is designated by stages 1-4, deep tissue pressure injury, unspecified stage, and unstageable. Assign as many codes from category L89 as needed to identify all the pressure ulcers the patient has, if applicable. See Section I.B.14. for pressure ulcer stage documentation by clinicians other than patient's provider.

Unstageable pressure ulcers—L89.--0 based on clinical documentation

2) Unstageable pressure ulcers Assignment of the code for unstageable pressure ulcer (L89.--0) should be based on the clinical documentation. These codes are used for

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

• CMS — ICD-10-CM Official Code Set and Guidelines, FY2026
• CDC/NCHS — ICD-10-CM Files and Browser Tool

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L98.A21 — Non-pressure chronic ulcer of right forearm. ICD-10 Coding Pro (ICD-10-CM FY2026). https://icd10codingpro.com/codes/L98.A21

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