I83.001 — Varicose veins of unspecified lower extremity with ulcer of thigh
Is I83.001 billable?
Yes, but I83.001 is an unspecified code. I83.001 is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, I83.001 is an unspecified or catch-all code. Payers apply additional scrutiny to unspecified codes and many deny them when the medical record supports a more specific option, so check the documentation before selecting I83.001 — the more specific alternatives are listed below.
More specific alternatives
- I83.002Varicose veins of unspecified lower extremity with ulcer of calf
- I83.003Varicose veins of unspecified lower extremity with ulcer of ankle
- I83.004Varicose veins of unspecified lower extremity with ulcer of heel and midfoot
- I83.005Varicose veins of unspecified lower extremity with ulcer other part of foot
- I83.008Varicose veins of unspecified lower extremity with ulcer other part of lower leg
- I83.009Varicose veins of unspecified lower extremity with ulcer of unspecified site
I83.001 at a glance
| Code | I83.001 |
|---|---|
| Description | Varicose veins of unspecified lower extremity with ulcer of thigh |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does I83.001 group to?
I83.001 sits in MDC 05 and helps define the logic of 3 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 299Peripheral Vascular Disorders with MCCmedical
- 300Peripheral Vascular Disorders with CCmedical
- 301Peripheral Vascular Disorders without CC/MCCmedical
How is I83.001 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to I83.001. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Varix › leg › with › ulcer › thigh (lower limb)
Use additional code — inherited from I83.0
Report an additional code alongside I83.001 to fully describe the condition. I83.001 is sequenced first.
- code to identify severity of ulcer (L97.-)
Excludes2 — not included here — inherited from Chapter 9
The conditions below are not part of I83.001, but a patient may have both at the same time. When documentation supports it, I83.001 and the excluded code may both be reported.
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
- systemic connective tissue disorders (M30-M36)
- transient cerebral ischemic attacks and related syndromes (G45.-)
Excludes2 — not included here — inherited from I83
The conditions below are not part of I83.001, but a patient may have both at the same time. When documentation supports it, I83.001 and the excluded code may both be reported.
How long has I83.001 existed?
I83.001 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.
Which conditions are coded to I83.001?
What other codes are in the I83.00 family? (6)
- I83.002Varicose veins of unspecified lower extremity with ulcer of calf
- I83.003Varicose veins of unspecified lower extremity with ulcer of ankle
- I83.004Varicose veins of unspecified lower extremity with ulcer of heel and midfoot
- I83.005Varicose veins of unspecified lower extremity with ulcer other part of foot
- I83.008Varicose veins of unspecified lower extremity with ulcer other part of lower leg
- I83.009Varicose veins of unspecified lower extremity with ulcer of unspecified site