L98.A313 Non-pressure chronic ulcer of right hand with necrosis of muscle

Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis.

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)

Risk adjustment (HCC)

• CMS-HCC V28: HCC 380 — Chronic Ulcer of Skin, Except Pressure, 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.A313

• Ulcer, ulcerated, ulcerating, ulceration, ulcerative › hand › right › with › muscle necrosis

Nearby codes

• L98.A299 Non-pressure chronic ulcer of unspecified forearm with unspecified severity
• L98.A3 Non-pressure chronic ulcer of hand
• L98.A31 Non-pressure chronic ulcer of right hand
• L98.A311 Non-pressure chronic ulcer of right hand limited to breakdown of skin
• L98.A312 Non-pressure chronic ulcer of right hand with fat layer exposed
• L98.A313 Non-pressure chronic ulcer of right hand with necrosis of muscle (this code)
• L98.A314 Non-pressure chronic ulcer of right hand with necrosis of bone
• L98.A315 Non-pressure chronic ulcer of right hand with muscle involvement without evidence of necrosis
• L98.A316 Non-pressure chronic ulcer of right hand with bone involvement without evidence of necrosis
• L98.A318 Non-pressure chronic ulcer of right hand with other specified severity
• L98.A319 Non-pressure chronic ulcer of right hand with unspecified severity