ICD-10 I70.418
Billable / Specific HCC v28: 108Atherosclerosis of autologous vein bypass graft(s) of the extremities with intermittent claudication, other extremity
About ICD-10-CM I70.418
ICD-10-CM code I70.418 represents Atherosclerosis of autologous vein bypass graft(s) of the extremities with intermittent claudication, other extremity. This is a billable/specific code in the Circulatory System chapter (block I70). The 2026 edition of ICD-10-CM I70.418 became effective on October 1, 2025.
Coding Tips for I70.418
Specialist guidance from the PayerReady Medical Coding Team. Specificity warnings, HCC capture rules, sequencing notes.
I70.418 is a CMS-HCC v28 risk-adjustment code (category 108). 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 I70.418
Local Coverage Determinations (LCDs) from CMS MACs that list I70.418 as a covered diagnosis.
Showing top 10 of 389 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing I70.418.
5 Medicare
CPT Codes Commonly Billed with I70.418
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
- 36903 CMS LCD: Billing and Coding: Dialysis Access Maintenance CMS LCD
- 36593 CMS LCD: Billing and Coding: Dialysis Access Maintenance CMS LCD
- 37212 CMS LCD: Billing and Coding: Dialysis Access Maintenance CMS LCD
- 37236 CMS LCD: Billing and Coding: Dialysis Access Maintenance CMS LCD
- 36831 CMS LCD: Billing and Coding: Dialysis Access Maintenance CMS LCD
- 37186 CMS LCD: Billing and Coding: Dialysis Access Maintenance CMS LCD
- 37237 CMS LCD: Billing and Coding: Dialysis Access Maintenance CMS LCD
- 36907 CMS LCD: Billing and Coding: Dialysis Access Maintenance CMS LCD
- 37247 CMS LCD: Billing and Coding: Dialysis Access Maintenance CMS LCD
- 36833 CMS LCD: Billing and Coding: Dialysis Access Maintenance CMS LCD
Convert I70.418 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 |
|---|---|---|
| I70.418 | 44031 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To I70.418
Other codes in section I70-I79 (Diseases of arteries, arterioles and capillaries).
ICD-10 I70.418, Billing FAQ
Is ICD-10 code I70.418 billable? +
Yes, I70.418 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
Does I70.418 affect Medicare Advantage HCC risk adjustment? +
Yes. I70.418 maps to CMS-HCC v28 category 108. Capture this diagnosis annually for accurate Medicare Advantage risk score.
What CPT codes are commonly billed with I70.418? +
Procedures frequently paired with I70.418 include: 36903, 36593, 37212, 37236, 36831.
What ICD-9 codes does I70.418 map to? +
Per CMS GEMs, I70.418 maps to ICD-9 codes: 44031. 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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