I83.021 — Varicose veins of left lower extremity with ulcer of thigh
I83.021 is a billable, specific ICD-10-CM code for varicose veins of left lower extremity with ulcer of thigh. It is valid for submission on a claim.
Risk adjustment
I83.021 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:
- HCC 383 Chronic Ulcer of Skin, Except Pressure, Not Specified as Through to Bone or Muscle0.646 RAF
Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score.
Medicare coverage
I83.021 is named in 23 Medicare coverage policies — 21 listing it as supporting medical necessity, and 2 listing it as NOT covered. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A56566Billing and Coding: Outpatient Physical and Occupational Therapy Servicesnot covered
- A57067Billing and Coding: Outpatient Physical and Occupational Therapy Servicesnot covered
- A52870Billing and Coding: Treatment of Varicose Veins of the Lower Extremity
- A52993Billing and Coding: Peripheral Venous Ultrasound
How I83.021 is indexed
Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to I83.021.
- Varix›leg›left›with›ulcer›thigh
Related codes at this level
Codes that share I83.02. If I83.021 is not quite right, the correct code is usually one of these.
- I83.022Varicose veins of left lower extremity with ulcer of calf
- I83.023Varicose veins of left lower extremity with ulcer of ankle
- I83.024Varicose veins of left lower extremity with ulcer of heel and midfoot
- I83.025Varicose veins of left lower extremity with ulcer other part of foot
- I83.028Varicose veins of left lower extremity with ulcer other part of lower leg
- I83.029Varicose veins of left lower extremity with ulcer of unspecified site
Questions about I83.021
- Is I83.021 a billable ICD-10-CM code?
- Yes. I83.021 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does I83.021 sit in the tabular list?
- Diseases of the circulatory system (I00-I99), in the block Diseases of veins, lymphatic vessels and lymph nodes, not elsewhere classified (I80-I89).