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I70.344

✓ Billable

Atherosclerosis of unspecified type of bypass graft(s) of the left leg with ulceration of heel and midfoot

Diseases of the circulatory system (I00-I99)

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Also Known As

Atherosclerosis of unspecified type of bypass graft(s) of left leg with ulceration of plantar surface of midfoot

❌ Excludes1

inherited

Rules inherited from parent codes in the hierarchy.

I70.3
  • • embolism or thrombus of bypass graft(s) of extremities (T82.8-)

⚠️ Excludes2

inherited

Rules inherited from parent codes.

I70
  • • arteriosclerotic cardiovascular disease (I25.1-)
  • • arteriosclerotic heart disease (I25.1-)
  • • atheroembolism (I75.-)
  • • cerebral atherosclerosis (I67.2)
  • • coronary atherosclerosis (I25.1-)
  • • mesenteric atherosclerosis (K55.1)
  • • precerebral atherosclerosis (I67.2)
  • • primary pulmonary atherosclerosis (I27.0)

📋 Code Instructions

inherited
I70.34
  • • code to identify severity of ulcer (L97.-)
I70.3
  • • code, if applicable, to identify chronic total occlusion of artery of extremity (I70.92)
I70
  • • code to identify:
  • • exposure to environmental tobacco smoke (Z77.22)
  • • history of tobacco dependence (Z87.891)
  • • occupational exposure to environmental tobacco smoke (Z57.31)
  • • tobacco dependence (F17.-)
  • • tobacco use (Z72.0)

Clinical Description

ICD-10-CM code I70.344 represents atherosclerosis of unspecified type of bypass graft(s) of the left leg with ulceration of heel and midfoot. This code falls under the Diseases of the circulatory system (I00-I99) classification. It is a billable/specific code valid for HIPAA-covered transactions as of October 1, 2025 (FY2026). This code can be used to indicate a diagnosis for reimbursement purposes on insurance claims.

This is a 7-character code at the 6th level of specificity. This is the most specific code available in this subcategory. Coders should note that I70.344 has 1 Excludes1 restriction(s) — codes that cannot be reported together on the same claim.

Frequently Asked Questions

What is ICD-10 code I70.344?

ICD-10-CM code I70.344 is "Atherosclerosis of unspecified type of bypass graft(s) of the left leg with ulceration of heel and midfoot". It belongs to the category: Diseases of the circulatory system (I00-I99).

Is I70.344 a billable ICD-10 code?

Yes, I70.344 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

What codes are excluded with I70.344?

I70.344 has 1 Excludes1 rule(s). These codes are mutually exclusive and cannot be coded together on the same claim.

Can I70.344 be coded with other codes?

I70.344 has 8 Excludes2 note(s). These conditions can be coded together if both are documented in the patient record.

Related Codes in I70.34

Other codes in the same category that may be relevant for differential coding:

I70.341Atherosclerosis of unspecified type of bypass graft(s) of the left leg with ulceration of thighI70.342Atherosclerosis of unspecified type of bypass graft(s) of the left leg with ulceration of calfI70.343Atherosclerosis of unspecified type of bypass graft(s) of the left leg with ulceration of ankleI70.345Atherosclerosis of unspecified type of bypass graft(s) of the left leg with ulceration of other part of footI70.348Atherosclerosis of unspecified type of bypass graft(s) of the left leg with ulceration of other part of lower legI70.349Atherosclerosis of unspecified type of bypass graft(s) of the left leg with ulceration of unspecified site

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Code Information

CodeI70.344
BillableYes
ParentI70.34
CategoryDiseases of the circulatory system (I00-I99)
Excludes11 rule(s)
Excludes28 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)