I83.023 Varicose veins of left lower extremity with ulcer of ankle

Billable ICD-10-CM code, FY2026.

Applies from I83 Varicose veins of lower extremities

Excludes2 (not included here)

• varicose veins complicating pregnancy (O22.0-)
• varicose veins complicating the puerperium (O87.4)

Applies from I83.0 Varicose veins of lower extremities with ulcer

Use additional code

• code to identify severity of ulcer (L97.-)

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 107 — Vascular Disease with Complications
• ESRD V24: HCC 107

MS-DRG index

Defines the logic of DRG(s) 299-301 in MDC 05.

Approximate ICD-9-CM (GEMs)

• 454.0 Varicose veins of lower extremities with ulcer (approximate)

Medicare Code Edits (MCE v43.1 (April 2026))

• Adult diagnoses (age 15 through 124): Age conflict edit. These diagnoses are clinically expected only in patients age 15 through 124.

Code annotations containing back-references to I83.023

Back-references to I83.0

• Type 2 Excludes: L89 Pressure ulcer ("varicose ulcer (I83.0, I83.2)")
• Code First: L97 Non-pressure chronic ulcer of lower limb, not elsewhere classified ("varicose ulcer (I83.0-, I83.2-)")
• Type 2 Excludes: L98.4 Non-pressure chronic ulcer of skin, not elsewhere classified ("varicose ulcer (I83.0-I83.93)")
• Type 2 Excludes: L98.A Non-pressure chronic ulcer of upper limb, not elsewhere classified ("varicose ulcer (I83.0-I83.93)")

Back-references to I83

• Type 1 Excludes: I87.3 Chronic venous hypertension (idiopathic) ("varicose veins of lower extremities (I83.-)")

Diagnosis Index entries for I83.023

• Varix (lower limb) › leg (asymptomatic) › left (asymptomatic) › with › ulcer › ankle

Nearby codes

• I83.018 Varicose veins of right lower extremity with ulcer other part of lower leg
• I83.019 Varicose veins of right lower extremity with ulcer of unspecified site
• I83.02 Varicose veins of left lower extremity with ulcer
• I83.021 Varicose veins of left lower extremity with ulcer of thigh
• I83.022 Varicose veins of left lower extremity with ulcer of calf
• I83.023 Varicose veins of left lower extremity with ulcer of ankle (this code)
• I83.024 Varicose veins of left lower extremity with ulcer of heel and midfoot
• I83.025 Varicose veins of left lower extremity with ulcer other part of foot
• I83.028 Varicose veins of left lower extremity with ulcer other part of lower leg
• I83.029 Varicose veins of left lower extremity with ulcer of unspecified site
• I83.1 Varicose veins of lower extremities with inflammation