HealthAssure
HealthAssureGood Life
ICD10BillableValid for clinical use

ICD-10 Code I70.649: Atherosclerosis of nonbiological bypass graft(s) of the left leg with ulceration of unspecified site

I70.649 is a billable ICD-10 diagnosis code used to classify Atherosclerosis of nonbiological bypass graft(s) of the left leg with ulceration of unspecified site in medical records and claims. You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records. ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Diseases of the circulatory system (I00-I99).

What is this code?

ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Diseases of the circulatory system (I00-I99).

When is it used?

  • May be used when a clinician documents atherosclerosis of nonbiological bypass graft(s) of the left leg with ulceration of unspecified site in a patient's medical record.
  • May appear in hospital records, claims, referrals, and clinical documentation.
  • This code can be used as a clinically usable diagnosis entry in standardized coding workflows.

What it does not mean

  • A code alone does not explain severity, treatment plan, or outcome.
  • A medical code should not be treated as a substitute for a doctor's diagnosis or advice.

Code hierarchy

chapter
9Diseases of the circulatory system (I00-I99)
block
I70-I79Diseases of arteries, arterioles and capillaries
category
I70Atherosclerosis
category
I70.6Atherosclerosis of nonbiological bypass graft(s) of the extremities
category
I70.64Atherosclerosis of nonbiological bypass graft(s) of the left leg with ulceration
currentI70.64

Where you may see this code

You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.

Related specialists

CardiologistGeneral Physician

Coding guidelines

Common synonyms

Atherosclerosis of nonbiological bypass graft(s) of the left leg with ulceration of unspecified siteAtherosclerosis of nonbiological bypass graft(s) of the left leg with ulceration of siteAtherosclerosis of nonbiological bypass graftAtherosclerosis of nonbiological bypass graft s of the left leg with ulceration of unspecified site

Frequently asked questions

Code details

CodeI70.649
SystemICD10
Display nameAtherosclerosis of nonbiological bypass graft(s) of the left leg with ulceration of unspecified site
ChapterDiseases of the circulatory system (I00-I99)
BlockDiseases of arteries, arterioles and capillaries

Flags

BillableYes
Valid clinical useYes

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

Index terms

Matched terms
Arteriosclerosis, arteriosclerotic(diffuse) (obliterans) (of) (senile) (with calcification)Arteriosclerosis, arteriosclerotic(diffuse) (obliterans) (of) (senile) (with calcification)

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.