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I70.53

⚠ Non-billable (Header)

Atherosclerosis of nonautologous biological bypass graft(s) of the right leg with ulceration

Diseases of the circulatory system (I00-I99)

⚠️ This is a category header code — not billable. Use a more specific child code below.

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ℹ️ Includes

  • • any condition classifiable to I70.511 and I70.521
  • • chronic limb-threatening ischemia of nonautologous biological bypass graft(s) of the right leg with ulceration
  • • critical limb ischemia of nonautologous biological bypass graft(s) of the right leg with ulceration

⚠️ 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

direct
  • • code to identify severity of ulcer (L97.-)

📋 Code Instructions

inherited
I70.5
  • • 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)

Child Codes (7)

I70.531Atherosclerosis of nonautologous biological bypass graft(s) of the right leg with ulceration of thighI70.532Atherosclerosis of nonautologous biological bypass graft(s) of the right leg with ulceration of calfI70.533Atherosclerosis of nonautologous biological bypass graft(s) of the right leg with ulceration of ankleI70.534Atherosclerosis of nonautologous biological bypass graft(s) of the right leg with ulceration of heel and midfootI70.535Atherosclerosis of nonautologous biological bypass graft(s) of the right leg with ulceration of other part of footI70.538Atherosclerosis of nonautologous biological bypass graft(s) of the right leg with ulceration of other part of lower legI70.539Atherosclerosis of nonautologous biological bypass graft(s) of the right leg with ulceration of unspecified site

Clinical Description

ICD-10-CM code I70.53 represents atherosclerosis of nonautologous biological bypass graft(s) of the right leg with ulceration. This code falls under the Diseases of the circulatory system (I00-I99) classification. It is a non-billable category header code. A more specific child code from the list below must be used for billing and reimbursement purposes.

This is a 6-character code at the 5th level of specificity. There are 7 more specific child codes under I70.53.

Frequently Asked Questions

What is ICD-10 code I70.53?

ICD-10-CM code I70.53 is "Atherosclerosis of nonautologous biological bypass graft(s) of the right leg with ulceration". It belongs to the category: Diseases of the circulatory system (I00-I99).

Is I70.53 a billable ICD-10 code?

No, I70.53 is a non-billable header code. A more specific child code must be used for billing.

Can I70.53 be coded with other codes?

I70.53 has 8 Excludes2 note(s). These conditions can be coded together if both are documented in the patient record.

Related Codes in I70.5

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

I70.50Unspecified atherosclerosis of nonautologous biological bypass graft(s) of the extremitiesI70.51Atherosclerosis of nonautologous biological bypass graft(s) of the extremities intermittent claudicationI70.52Atherosclerosis of nonautologous biological bypass graft(s) of the extremities with rest painI70.54Atherosclerosis of nonautologous biological bypass graft(s) of the left leg with ulcerationI70.55Atherosclerosis of nonautologous biological bypass graft(s) of other extremity with ulcerationI70.56Atherosclerosis of nonautologous biological bypass graft(s) of the extremities with gangreneI70.59Other atherosclerosis of nonautologous biological bypass graft(s) of the extremities

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Code Information

CodeI70.53
BillableNo — Header code
ParentI70.5
CategoryDiseases of the circulatory system (I00-I99)
Excludes10 rule(s)
Excludes28 note(s)
Child codes7

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)