ICD-10-CM 2026 · Effective October 1, 2025

ICD-10 I70.335

Billable / Specific HCC v28: 161

Atherosclerosis of unspecified type of bypass graft(s) of the right leg with ulceration of other part of foot

I70
Block
1
Synonyms
568
LCDs
18
Payer Policies
35
Linked CPTs

About ICD-10-CM I70.335

ICD-10-CM code I70.335 represents Atherosclerosis of unspecified type of bypass graft(s) of the right leg with ulceration of other part of foot. This is a billable/specific code in the Circulatory System chapter (block I70). The 2026 edition of ICD-10-CM I70.335 became effective on October 1, 2025.

Coding Tips for I70.335

Specialist guidance from the PayerReady Medical Coding Team. Specificity warnings, HCC capture rules, sequencing notes.

HCC capture: document with MEAT each year

I70.335 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.

Inclusion Terms / Approximate Synonyms

Clinical terms and conditions classified under I70.335. Per CMS ICD-10-CM Tabular 2026.

  • Atherosclerosis of unspecified type of bypass graft(s) of the right leg with ulceration of toe

Medicare Advantage HCC Impact

CMS-HCC v28 (current)
Category 161
ESRD-HCC
Category 161
RxHCC (Part D)
Category 161

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 I70.335

Local Coverage Determinations (LCDs) from CMS MACs that list I70.335 as a covered diagnosis.

568 LCDs

Showing top 10 of 568 total . Click a CPT for full coverage scope.

CMS LCD: Billing and Coding: Magnetic Resonance Angiography
Article ID: 56775, Effective: 2025-10-01 00:00:00, 1311 covered, 0 non-covered
CPT C8918 →
CMS LCD: Billing and Coding: Magnetic Resonance Angiography
Article ID: 56775, Effective: 2025-10-01 00:00:00, 1311 covered, 0 non-covered
CPT C8936 →
CMS LCD: Billing and Coding: Magnetic Resonance Angiography
Article ID: 56775, Effective: 2025-10-01 00:00:00, 1311 covered, 0 non-covered
CPT C8910 →
CMS LCD: Billing and Coding: Magnetic Resonance Angiography
Article ID: 56775, Effective: 2025-10-01 00:00:00, 1311 covered, 0 non-covered
CPT 70548 →
CMS LCD: Billing and Coding: Magnetic Resonance Angiography
Article ID: 56775, Effective: 2025-10-01 00:00:00, 1311 covered, 0 non-covered
CPT C8913 →
CMS LCD: Billing and Coding: Magnetic Resonance Angiography
Article ID: 56775, Effective: 2025-10-01 00:00:00, 1311 covered, 0 non-covered
CPT C8912 →
CMS LCD: Billing and Coding: Magnetic Resonance Angiography
Article ID: 56775, Effective: 2025-10-01 00:00:00, 1311 covered, 0 non-covered
CPT C8914 →
CMS LCD: Billing and Coding: Magnetic Resonance Angiography
Article ID: 56775, Effective: 2025-10-01 00:00:00, 1311 covered, 0 non-covered
CPT 70547 →
CMS LCD: Billing and Coding: Magnetic Resonance Angiography
Article ID: 56775, Effective: 2025-10-01 00:00:00, 1311 covered, 0 non-covered
CPT C8901 →
CMS LCD: Billing and Coding: Magnetic Resonance Angiography
Article ID: 56775, Effective: 2025-10-01 00:00:00, 1311 covered, 0 non-covered
CPT C8902 →

Commercial Payer Coverage

Coverage policies from major commercial payers referencing I70.335.

18 policies

5 Medicare

Billing and Coding: Home Health Occupational Therapy
Policy ID: ART-53057
Billing and Coding: Home Health Physical Therapy
Policy ID: ART-53058
Billing and Coding: Outpatient Occupational Therapy
Policy ID: ART-53064
Billing and Coding: Outpatient Physical Therapy
Policy ID: ART-53065
Billing and Coding: Wound Care
Policy ID: ART-55909

CPT Codes Commonly Billed with I70.335

Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.

35 linkages
  • 0237T CMS LCD: Billing and Coding: Endovascular Management for Peripheral Arterial Disease of the Upper and Lower Extremities CMS LCD
  • C9764 CMS LCD: Billing and Coding: Endovascular Management for Peripheral Arterial Disease of the Upper and Lower Extremities CMS LCD
  • 0505T CMS LCD: Billing and Coding: Endovascular Management for Peripheral Arterial Disease of the Upper and Lower Extremities CMS LCD
  • 0620T CMS LCD: Billing and Coding: Endovascular Management for Peripheral Arterial Disease of the Upper and Lower Extremities CMS LCD
  • 0238T CMS LCD: Billing and Coding: Endovascular Management for Peripheral Arterial Disease of the Upper and Lower Extremities CMS LCD
  • 37242 CMS LCD: Billing and Coding: Endovascular Management for Peripheral Arterial Disease of the Upper and Lower Extremities CMS LCD
  • C9772 CMS LCD: Billing and Coding: Endovascular Management for Peripheral Arterial Disease of the Upper and Lower Extremities CMS LCD
  • 37252 CMS LCD: Billing and Coding: Endovascular Management for Peripheral Arterial Disease of the Upper and Lower Extremities CMS LCD
  • C9765 CMS LCD: Billing and Coding: Endovascular Management for Peripheral Arterial Disease of the Upper and Lower Extremities CMS LCD
  • 37244 CMS LCD: Billing and Coding: Endovascular Management for Peripheral Arterial Disease of the Upper and Lower Extremities CMS LCD

Convert I70.335 to ICD-9-CM

Per CMS General Equivalence Mappings (GEMs), useful for legacy data review and historical claim analysis.

ICD-10ICD-9Mapping Flags
I70.335 44030 10111
I70.335 70715 10112

Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).

Codes Adjacent To I70.335

Other codes in section I70-I79 (Diseases of arteries, arterioles and capillaries).

I70 Atherosclerosis (non-billable) I70.0 Atherosclerosis of aorta I70.1 Atherosclerosis of renal artery I70.2 Atherosclerosis of native arteries of the extremities (non-billable) I70.20 Unspecified atherosclerosis of native arteries of extremities (non-billable) I70.201 Unspecified atherosclerosis of native arteries of extremities, right leg I70.202 Unspecified atherosclerosis of native arteries of extremities, left leg I70.203 Unspecified atherosclerosis of native arteries of extremities, bilateral legs I70.208 Unspecified atherosclerosis of native arteries of extremities, other extremity I70.209 Unspecified atherosclerosis of native arteries of extremities, unspecified extremity I70.21 Atherosclerosis of native arteries of extremities with intermittent claudication (non-billable) I70.211 Atherosclerosis of native arteries of extremities with intermittent claudication, right leg I70.212 Atherosclerosis of native arteries of extremities with intermittent claudication, left leg I70.213 Atherosclerosis of native arteries of extremities with intermittent claudication, bilateral legs I70.218 Atherosclerosis of native arteries of extremities with intermittent claudication, other extremity I70.219 Atherosclerosis of native arteries of extremities with intermittent claudication, unspecified extremity I70.22 Atherosclerosis of native arteries of extremities with rest pain (non-billable) I70.221 Atherosclerosis of native arteries of extremities with rest pain, right leg I70.222 Atherosclerosis of native arteries of extremities with rest pain, left leg I70.223 Atherosclerosis of native arteries of extremities with rest pain, bilateral legs

ICD-10 I70.335, Billing FAQ

Is ICD-10 code I70.335 billable? +

Yes, I70.335 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.

What other names or terms map to I70.335? +

ICD-10 I70.335 includes: Atherosclerosis of unspecified type of bypass graft(s) of the right leg with ulceration of toe.

Does I70.335 affect Medicare Advantage HCC risk adjustment? +

Yes. I70.335 maps to CMS-HCC v28 category 161. Capture this diagnosis annually for accurate Medicare Advantage risk score.

What CPT codes are commonly billed with I70.335? +

Procedures frequently paired with I70.335 include: 0237T, C9764, 0505T, 0620T, 0238T.

What ICD-9 codes does I70.335 map to? +

Per CMS GEMs, I70.335 maps to ICD-9 codes: 44030, 70715. 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 June 1, 2026.

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