ICD-10 I70.232
Billable / Specific HCC v28: 161Atherosclerosis of native arteries of right leg with ulceration of calf
About ICD-10-CM I70.232
ICD-10-CM code I70.232 represents Atherosclerosis of native arteries of right leg with ulceration of calf. This is a billable/specific code in the Circulatory System chapter (block I70). The 2026 edition of ICD-10-CM I70.232 became effective on October 1, 2025.
Coding Tips for I70.232
Specialist guidance from the PayerReady Medical Coding Team. Specificity warnings, HCC capture rules, sequencing notes.
I70.232 is a CMS-HCC v28 risk-adjustment code (category 161). To count for the patient Risk Adjustment Factor (RAF), document the diagnosis with MEAT language each calendar year: Monitored, Evaluated, Assessed, Treated. A diagnosis on the problem list alone does not satisfy CMS RADV audit standards. Include the diagnosis in the assessment with current status and current treatment plan.
Medicare Advantage HCC Impact
Capture this diagnosis annually for accurate risk adjustment. Missed HCC captures are the #1 revenue leak in Medicare Advantage risk programs.
Medicare LCD Coverage for I70.232
Local Coverage Determinations (LCDs) from CMS MACs that list I70.232 as a covered diagnosis.
Showing top 10 of 996 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing I70.232.
5 Medicare
CPT Codes Commonly Billed with I70.232
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
- 93979 CMS LCD: Billing and Coding: Non-Invasive Abdominal / Visceral Vascular Studies CMS LCD
- 93975 CMS LCD: Billing and Coding: Non-Invasive Abdominal / Visceral Vascular Studies CMS LCD
- 93976 CMS LCD: Billing and Coding: Non-Invasive Abdominal / Visceral Vascular Studies CMS LCD
- 93978 CMS LCD: Billing and Coding: Non-Invasive Abdominal / Visceral Vascular Studies CMS LCD
- 93980 CMS LCD: Billing and Coding: Non-Invasive Abdominal / Visceral Vascular Studies CMS LCD
- 93981 CMS LCD: Billing and Coding: Non-Invasive Abdominal / Visceral Vascular Studies CMS LCD
- 11047 CMS LCD: Billing and Coding: Debridement Services CMS LCD
- 11001 CMS LCD: Billing and Coding: Debridement Services CMS LCD
- 11046 CMS LCD: Billing and Coding: Debridement Services CMS LCD
- 11045 CMS LCD: Billing and Coding: Debridement Services CMS LCD
Convert I70.232 to ICD-9-CM
Per CMS General Equivalence Mappings (GEMs), useful for legacy data review and historical claim analysis.
| ICD-10 | ICD-9 | Mapping Flags |
|---|---|---|
| I70.232 | 44023 | 10111 |
| I70.232 | 70712 | 10112 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To I70.232
Other codes in section I70-I79 (Diseases of arteries, arterioles and capillaries).
ICD-10 I70.232, Billing FAQ
Is ICD-10 code I70.232 billable? +
Yes, I70.232 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
Does I70.232 affect Medicare Advantage HCC risk adjustment? +
Yes. I70.232 maps to CMS-HCC v28 category 161. Capture this diagnosis annually for accurate Medicare Advantage risk score.
What CPT codes are commonly billed with I70.232? +
Procedures frequently paired with I70.232 include: 93979, 93975, 93976, 93978, 93980.
What ICD-9 codes does I70.232 map to? +
Per CMS GEMs, I70.232 maps to ICD-9 codes: 44023, 70712. Useful for legacy data review and historical claim analysis.
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on May 31, 2026.
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