L98.A112 Non-pressure chronic ulcer of right upper arm with fat layer exposed

Billable ICD-10-CM code, FY2026.

Applies from L98.A Non-pressure chronic ulcer of upper limb, not elsewhere classified

Applicable to

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

Excludes2 (not included here)

• 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)

Applies from L98.A1 Non-pressure chronic ulcer of upper arm

Applicable to

• Non-pressure chronic ulcer of axilla

Risk adjustment (HCC)

• CMS-HCC V28: HCC 383 — Chronic Ulcer of Skin, Except Pressure, Not Specified as Through to Bone or Muscle
• CMS-HCC V22: HCC 161 — Chronic Ulcer of Skin, Except Pressure
• RxHCC V08: HCC 311 — Chronic Ulcer of Skin, Except Pressure
• ESRD V24: HCC 161

MS-DRG index

Defines the logic of DRG(s) 573-575 in MDC 09.

Diagnosis Index entries for L98.A112

• Ulcer, ulcerated, ulcerating, ulceration, ulcerative › upper limb (chronic) › upper arm › right › with › exposed fat layer

Nearby codes

• L98.499 Non-pressure chronic ulcer of skin of other sites with unspecified severity
• L98.A Non-pressure chronic ulcer of upper limb, not elsewhere classified
• L98.A1 Non-pressure chronic ulcer of upper arm
• L98.A11 Non-pressure chronic ulcer of right upper arm
• L98.A111 Non-pressure chronic ulcer of right upper arm limited to breakdown of skin
• L98.A112 Non-pressure chronic ulcer of right upper arm with fat layer exposed (this code)
• L98.A113 Non-pressure chronic ulcer of right upper arm with necrosis of muscle
• L98.A114 Non-pressure chronic ulcer of right upper arm with necrosis of bone
• L98.A115 Non-pressure chronic ulcer of right upper arm with muscle involvement without evidence of necrosis
• L98.A116 Non-pressure chronic ulcer of right upper arm with bone involvement without evidence of necrosis
• L98.A118 Non-pressure chronic ulcer of right upper arm with other specified severity