ICDxICD-10 Medical Coding

ICDxICD-10 Medical Coding

ICD-10 Guide

Atherosclerotic Vascular Disease

ICD-10 Coding for Atherosclerotic Vascular Disease(I25.10, I70.213)

PRIMARY SPECIALTYCardiology

COMPLEXITYHigh

LAST UPDATED09/15/2025

Sam Tuffun, PT, DPT

Physical Therapist | Medical Coding & Billing Contributor

Diagnosis Overview

What is Atherosclerotic Vascular Disease?

Essential facts and insights about Atherosclerotic Vascular Disease

Key Clinical Considerations:

Presence of symptoms such as chest pain (angina), shortness of breath, or fatigue during exertion.
Laboratory findings may include elevated cholesterol levels, particularly low-density lipoprotein (LDL) and triglycerides.
Physical examination may reveal signs of peripheral artery disease, such as diminished pulses or coolness in the extremities.
Imaging findings may include angiography showing narrowed or blocked arteries, or ultrasound revealing plaque buildup.
Severity criteria may involve the extent of arterial blockage or the presence of ischemic heart disease.

Clinical Information

Clinical Criteria & Documentation Requirements

Medical records must document the patient's symptoms, risk factors, and any relevant family history.
Specific terminology such as 'atherosclerosis', 'ischemic heart disease', or 'peripheral artery disease' must be used.
Examples include documenting the patient's functional capacity and any limitations due to the disease.
Medical necessity must be established through documentation of symptoms and the need for diagnostic testing or treatment.
Quality measures may require documentation of lifestyle modifications, medication adherence, and follow-up care.

Coding Guidelines

Usage Guidelines & Examples

Use I25.10 for atherosclerotic heart disease without angina; use I70.213 for atherosclerosis of the aorta with intermittent claudication.
Do not use these codes for non-atherosclerotic vascular diseases or acute vascular events like myocardial infarction.
Related codes include I25.9 (chronic ischemic heart disease, unspecified) and I70.209 (atherosclerosis of unspecified type).
Common errors include misclassifying acute events as chronic conditions; ensure accurate documentation of the disease state.
In complex cases, consider the patient's full clinical picture, including comorbidities and the specific vascular territories involved.

Code Exclusions

Important Exclusions

Excludes acute myocardial infarction (I21) and other acute coronary syndromes.
Alternative codes for excluded conditions include I70.209 for unspecified atherosclerosis.
Conditions are excluded due to differing pathophysiology and treatment approaches.
Common mistakes include coding acute events as chronic; ensure clarity in documentation.
Related but distinct conditions include venous thromboembolism and non-atherosclerotic vascular diseases.

Specialty Focus

Primary Specialty

Cardiology

Specialty Applications

Applies to patients with a history of cardiovascular disease, diabetes, or hyperlipidemia.
Patient populations include adults, particularly those over 45 years of age, and those with risk factors such as smoking.
Clinical settings include outpatient cardiology clinics, inpatient hospital settings, and emergency departments.
Specialty-specific applications are relevant in cardiology, vascular surgery, and primary care.
Treatment contexts include management of chronic conditions, pre-operative assessments, and post-operative follow-ups.

Coding Complexity

High Complexity

This diagnosis requires careful attention to:

Comprehensive clinical documentation
Accurate code selection based on clinical criteria
Proper exclusion considerations
Specialty-specific coding guidelines

Documentation

Documentation Templates

Template 1

Template: 'Patient diagnosed with atherosclerotic vascular disease based on clinical findings of chest pain and imaging results.'

Template 2

Template: 'Clinical presentation consistent with atherosclerosis including exertional angina and risk factors such as hypertension.'

Template 3

Template: 'Diagnostic criteria for atherosclerotic disease met as evidenced by angiography showing significant stenosis.'

Template 4

Template: 'Treatment plan initiated for atherosclerotic vascular disease with lifestyle modifications and statin therapy.'

Template 5

Template: 'Follow-up care for atherosclerotic disease including monitoring of lipid levels and exercise tolerance.'

Billing Information

Billing Considerations

Ensure proper documentation for billing
Verify code specificity requirements
Check for any additional codes needed
Review payer-specific guidelines

Common Issues

Insufficient clinical documentation
Incorrect code selection
Missing supporting diagnoses
Timing and frequency documentation

Frequently Asked Questions

What documentation is required for this diagnosis?

Documentation must include clinical symptoms, risk factors, and diagnostic test results.

How does this differ from similar diagnoses?

Differentiation is based on the presence of atherosclerosis versus other vascular conditions.

What are common billing considerations?

Ensure that documentation supports the medical necessity of tests and treatments for reimbursement.

What procedures are typically associated?

Commonly associated procedures include angiography, stress testing, and vascular imaging.

Are there any quality reporting implications?

Quality measures may include monitoring lipid levels and adherence to treatment guidelines.