ICD-10 Guide

Vasculitis

ICD-10 Coding for Vasculitis(I77.6, I77.8, L95.0)

PRIMARY SPECIALTYRheumatology

COMPLEXITYHigh

LAST UPDATED09/15/2025

Sam Tuffun, PT, DPT

Physical Therapist | Medical Coding & Billing Contributor

Diagnosis Overview

What is Vasculitis?

Essential facts and insights about Vasculitis

Key Clinical Considerations:

Fever, malaise, weight loss, and arthralgia
Elevated inflammatory markers (ESR, CRP), biopsy showing vasculitis
Skin rashes, joint swelling, and organ-specific symptoms

Clinical Information

Clinical Criteria & Documentation Requirements

Patient history, physical exam findings, laboratory results, and imaging studies
ICD-10-CM codes for specific types of vasculitis (e.g., M30-M36)
Examples: 'Patient presents with systemic symptoms and elevated ESR, biopsy confirms vasculitis.'

Coding Guidelines

Usage Guidelines & Examples

Follow guidelines for distinguishing between primary and secondary vasculitis.
Common errors include misclassifying the type of vasculitis or omitting necessary documentation.

Code Exclusions

Important Exclusions

Conditions such as infections or malignancies that may mimic vasculitis
Alternative codes for related but distinct conditions (e.g., M05 for rheumatoid arthritis with vasculitis)

Specialty Focus

Primary Specialty

Rheumatology

Specialty Applications

Adults and children with autoimmune diseases, systemic inflammatory conditions
Rheumatology clinics, emergency departments, and outpatient settings

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

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

Documentation requirements?

Include detailed patient history, lab results, and imaging findings.

Billing considerations?

Ensure accurate coding to reflect the specific type of vasculitis for proper reimbursement.

Vasculitis

Diagnosis Overview

Key Clinical Considerations:

Clinical Information

Clinical Criteria & Documentation Requirements

Coding Guidelines

Usage Guidelines & Examples

Code Exclusions

Important Exclusions

Related ICD-10 Codes

Related CPT Codes

Specialty Focus

Primary Specialty

Specialty Applications

Coding Complexity

Documentation

Documentation Templates

Billing Information

Billing Considerations

Common Issues

Frequently Asked Questions

Documentation requirements?

Billing considerations?

Vasculitis

Diagnosis Overview

Key Clinical Considerations:

Clinical Information

Clinical Criteria & Documentation Requirements

Coding Guidelines

Usage Guidelines & Examples

Code Exclusions

Important Exclusions

Related ICD-10 Codes

Related CPT Codes

Specialty Focus

Primary Specialty

Specialty Applications

Coding Complexity

Documentation

Documentation Templates

Billing Information

Billing Considerations

Common Issues

Frequently Asked Questions

Documentation requirements?

Billing considerations?