I83.203 Varicose veins of unspecified lower extremity with both ulcer of ankle and inflammation

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

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 I83.2 Varicose veins of lower extremities with both ulcer and inflammation

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)

• 454.2 Varicose veins of lower extremities with ulcer and inflammation (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 I83.203

Back-references to I83.2

• Type 1 Excludes: I87.2 Venous insufficiency (chronic) (peripheral) ("stasis dermatitis with varicose veins of lower extremities (I83.1-, I83.2-)")
• 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-)")

Back-references to I83

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

Diagnosis Index entries for I83.203

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

Nearby codes

• I83.12 Varicose veins of left lower extremity with inflammation
• I83.2 Varicose veins of lower extremities with both ulcer and inflammation
• I83.20 Varicose veins of unspecified lower extremity with both ulcer and inflammation
• I83.201 Varicose veins of unspecified lower extremity with both ulcer of thigh and inflammation
• I83.202 Varicose veins of unspecified lower extremity with both ulcer of calf and inflammation
• I83.203 Varicose veins of unspecified lower extremity with both ulcer of ankle and inflammation (this code)
• I83.204 Varicose veins of unspecified lower extremity with both ulcer of heel and midfoot and inflammation
• I83.205 Varicose veins of unspecified lower extremity with both ulcer other part of foot and inflammation
• I83.208 Varicose veins of unspecified lower extremity with both ulcer of other part of lower extremity and inflammation
• I83.209 Varicose veins of unspecified lower extremity with both ulcer of unspecified site and inflammation
• I83.21 Varicose veins of right lower extremity with both ulcer and inflammation