ICD-10-CM 2027 diagnosis code

L98.A2Non-pressure chronic ulcer of forearm

Not billable — use a more specific code

L98.A2 is a header code, so it can't be reported by itself. Choose one of the 3 more specific codes beneath it.

Code last changed in FY2026 (effective October 1, 2025). Source: official FY2027 ICD-10-CM release from CDC/NCHS and CMS. Page updated September 29, 2026. About our data

About L98.A2

L98.A2 is the ICD-10-CM diagnosis code for Non-pressure chronic ulcer of forearm. It belongs to category L98 (other disorders of skin and subcutaneous tissue, not elsewhere classified), block L80-L99 (other disorders of the skin and subcutaneous tissue) and chapter 12 (diseases of the skin and subcutaneous tissue). It is a header code, so it can't be reported by itself; one of its 3 subcodes must be used instead.

Within L98.A (Non-pressure chronic ulcer of upper limb, not elsewhere classified), L98.A2 is specifically for Non-pressure chronic ulcer of forearm. Related codes cover upper arm (L98.A1) and hand (L98.A3).

To report this condition, pick the subcode that matches the documentation: L98.A21 (forearm), L98.A22 (forearm) and L98.A29 (forearm).

It was added in FY2026, effective October 1, 2025.

Specific codes under L98.A2

Notes that apply from higher levels

Instructions written at a parent level also apply to L98.A2.

› From L98.A Non-pressure chronic ulcer of upper limb, not elsewhere classified

Excludes2

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)

Broader instructions also apply from Chapter 12: Diseases of the skin and subcutaneous tissue.

Code history

2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027

FY2026 (effective 10/1/2025): Added
No changes since FY2026.

Common questions about L98.A2

Is L98.A2 billable?: No. L98.A2 is a header code. Report one of its more specific subcodes instead.