ICD-10 Logo
ICDxICD-10 Medical Coding
ICD-10 Logo
ICDxICD-10 Medical Coding
ICD 10 CodesDiagnoses
ICD 10 CodesDiagnoses
ICD-10 Logo
ICDxICD-10 Medical Coding

Comprehensive ICD-10-CM code reference with AI-powered search capabilities.

© 2025 ICD Code Compass. All rights reserved.

Browse

  • All Chapters
  • All Categories
  • Diagnoses

Tools

  • AI Code Search
ICD-10-CM codes are maintained by the CDC and CMS. This tool is for reference purposes only.
v1.0.0
ICD-10 Guide
ICD-10 CodesM05.262

M05.262

Billable

Rheumatoid vasculitis with rheumatoid arthritis of left knee

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/12/2025

Code Description

ICD-10 M05.262 is a billable code used to indicate a diagnosis of rheumatoid vasculitis with rheumatoid arthritis of left knee.

Key Diagnostic Point:

Rheumatoid vasculitis is a serious complication of rheumatoid arthritis (RA) characterized by inflammation of blood vessels, leading to ischemia and tissue damage. In this case, the left knee is affected, indicating localized joint involvement. The knee joint comprises the femur, tibia, fibula, and patella, surrounded by synovial tissue, ligaments, and cartilage. RA is an autoimmune disorder that primarily affects synovial joints, causing pain, swelling, and stiffness. The presence of vasculitis can exacerbate these symptoms, leading to further joint damage and systemic complications. Clinically, patients may present with joint pain, swelling, and systemic symptoms such as fatigue and fever. The diagnosis is supported by clinical examination, imaging studies, and laboratory tests showing elevated inflammatory markers and specific autoantibodies. Early recognition and management are crucial to prevent irreversible joint damage and systemic complications.

Code Complexity Analysis

Complexity Rating: High

High Complexity

Complexity Factors

  • Involvement of multiple systems (musculoskeletal and vascular)
  • Need for precise documentation of joint involvement and laterality
  • Potential for systemic manifestations complicating treatment
  • Variability in clinical presentation and severity

Audit Risk Factors

  • Inadequate documentation of systemic involvement
  • Failure to specify laterality of joint involvement
  • Misclassification of rheumatoid arthritis severity
  • Lack of supporting evidence for vasculitis diagnosis

Specialty Focus

Medical Specialties

Orthopedics

Documentation Requirements

Orthopedic documentation should include imaging studies (X-rays, MRIs) to assess joint damage, functional assessments to evaluate mobility, and detailed descriptions of any surgical interventions.

Common Clinical Scenarios

Common scenarios include joint replacement surgery due to severe RA damage or arthroscopy for synovitis management.

Billing Considerations

Documentation must reflect the severity of joint involvement and any surgical findings related to vasculitis.

Rheumatology

Documentation Requirements

Rheumatologic documentation should include laboratory tests for inflammatory markers (e.g., ESR, CRP), autoantibody profiles (e.g., RF, anti-CCP), and assessments of disease activity (e.g., DAS28).

Common Clinical Scenarios

Patients may present with exacerbations of RA symptoms or new systemic symptoms indicating vasculitis.

Billing Considerations

Systemic involvement must be documented, including any organ systems affected by vasculitis.

Physical Medicine

Documentation Requirements

Functional assessments should evaluate the patient's mobility, pain levels, and ability to perform activities of daily living.

Common Clinical Scenarios

Rehabilitation scenarios may involve physical therapy to improve joint function and mobility post-surgery or during flare-ups.

Billing Considerations

Documentation should address mobility limitations and the need for assistive devices.

Coding Guidelines

Inclusion Criteria

Use M05.262 When
  • 10 coding guidelines require specificity in documenting laterality (left knee), severity of the condition, and the type of encounter (initial, follow
  • up, etc
  • Accurate coding of complications related to rheumatoid arthritis is essential

Exclusion Criteria

Do NOT use M05.262 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

20610CPT Code

Arthrocentesis, aspiration and/or injection into a major joint or bursa

Clinical Scenario

Used for joint effusion management in the left knee.

Documentation Requirements

Document the joint involved, indication for the procedure, and any findings.

Specialty Considerations

Orthopedic and rheumatologic considerations for joint management.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has increased specificity in coding musculoskeletal conditions, allowing for better tracking of complications like vasculitis associated with rheumatoid arthritis.

ICD-9 vs ICD-10

The transition to ICD-10 has increased specificity in coding musculoskeletal conditions, allowing for better tracking of complications like vasculitis associated with rheumatoid arthritis.

Reimbursement & Billing Impact

The transition to ICD-10 has increased specificity in coding musculoskeletal conditions, allowing for better tracking of complications like vasculitis associated with rheumatoid arthritis.

Resources

Clinical References

  • •
    American College of Rheumatology Guidelines

Coding & Billing References

  • •
    American College of Rheumatology Guidelines

Frequently Asked Questions

What are the key documentation requirements for coding M05.262?

Key documentation includes detailed clinical findings related to joint involvement, systemic symptoms indicating vasculitis, imaging results, and laboratory tests showing inflammatory markers and autoantibodies.