ICD10
ICD-10 Code I70.24: Atherosclerosis of native arteries of left leg with ulceration
Reviewed by HealthAssure Clinical TeamUpdated 21 May 2026
What is this code?
ICD-10 entries help standardize how diagnoses are organized for coding, reporting, analytics, and documentation. 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 native arteries of left leg with ulceration in a patient's medical record.
- May appear in hospital records, claims, referrals, and clinical documentation.
- This code may act more like a grouping or parent code, so a more specific child code may be used in final documentation when available.
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.
- This entry may represent a broader category rather than the most specific billable code.
Code hierarchy
chapter
9Diseases of the circulatory system (I00-I99)
block
I70-I79Diseases of arteries, arterioles and capillaries
category
I70Atherosclerosis
category
I70.2Atherosclerosis of native arteries of the extremities
currentI70.2
Official coding notes
Includes
- any condition classifiable to I70.212 and I70.222
- chronic limb-threatening ischemia of native arteries of left leg with ulceration
- critical limb ischemia of native arteries of left leg with ulceration
Applicable to
- code to identify severity of ulcer (L97.-)
Use additional code
- code to identify severity of ulcer (L97.-)
Where you may see this code
You may see this entry in coding references, medical records, or claims workflows when a broader diagnosis category is being reviewed before a more specific code is chosen.
Related specialists
CardiologistGeneral Physician
Related codes
I70.241Atherosclerosis of native arteries of left leg with ulceration of thighcodeI70.242Atherosclerosis of native arteries of left leg with ulceration of calfcodeI70.243Atherosclerosis of native arteries of left leg with ulceration of anklecodeI70.244Atherosclerosis of native arteries of left leg with ulceration of heel and midfootcodeI70.245Atherosclerosis of native arteries of left leg with ulceration of other part of footcodeI70.248Atherosclerosis of native arteries of left leg with ulceration of other part of lower legcodeI70.249Atherosclerosis of native arteries of left leg with ulceration of unspecified sitecode
Sibling codes
I70.20Unspecified atherosclerosis of native arteries of extremitiesI70.21Atherosclerosis of native arteries of extremities with intermittent claudicationI70.22Atherosclerosis of native arteries of extremities with rest painI70.23Atherosclerosis of native arteries of right leg with ulcerationI70.25Atherosclerosis of native arteries of other extremities with ulcerationbillableI70.26Atherosclerosis of native arteries of extremities with gangreneI70.29Other atherosclerosis of native arteries of extremities
Coding guidelines
Common synonyms
Atherosclerosis of native arteries of left leg with ulceration
Frequently asked questions
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.