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ICD-10 Guide
ICD-10 CodesM05.2

M05.2

Billable

Rheumatoid vasculitis with rheumatoid arthritis

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

Code Description

ICD-10 M05.2 is a billable code used to indicate a diagnosis of rheumatoid vasculitis with rheumatoid arthritis.

Key Diagnostic Point:

Rheumatoid vasculitis is a serious complication of rheumatoid arthritis (RA), characterized by inflammation of blood vessels (vasculitis) that can lead to ischemia and organ damage. This condition typically arises in patients with long-standing, severe RA and is associated with systemic manifestations. Anatomically, it can affect small to medium-sized vessels, leading to complications in various organs, including the skin, kidneys, and nervous system. Clinically, patients may present with symptoms such as skin ulcers, peripheral neuropathy, and renal impairment. The pathophysiology involves immune-mediated damage to the vascular endothelium, resulting in fibrinoid necrosis and subsequent ischemia. Joint involvement in RA can lead to deformities and functional limitations, impacting mobility and quality of life. Treatment often includes immunosuppressive therapies, corticosteroids, and management of RA symptoms, which can complicate coding due to the multifaceted nature of the disease.

Code Complexity Analysis

Complexity Rating: High

High Complexity

Complexity Factors

  • Multiple organ systems affected by vasculitis
  • Need for precise documentation of joint involvement and severity
  • Variability in clinical presentation and treatment approaches
  • Potential for overlapping diagnoses with other autoimmune conditions

Audit Risk Factors

  • Inadequate documentation of systemic involvement
  • Failure to specify laterality of joint involvement
  • Misclassification of severity or type of vasculitis
  • Lack of supporting evidence for treatment modalities

Specialty Focus

Medical Specialties

Orthopedics

Documentation Requirements

Orthopedic documentation should include imaging studies (X-rays, MRIs) to assess joint damage and functional assessments to evaluate mobility limitations.

Common Clinical Scenarios

Common scenarios include surgical interventions for joint deformities or severe RA complications requiring orthopedic management.

Billing Considerations

Joint-specific considerations include documenting the severity of joint destruction and functional limitations impacting daily activities.

Rheumatology

Documentation Requirements

Rheumatologic documentation must include laboratory results for inflammatory markers (e.g., ESR, CRP) and assessments of disease activity (e.g., DAS28).

Common Clinical Scenarios

Scenarios often involve managing flare-ups of RA and monitoring for systemic complications like vasculitis.

Billing Considerations

Systemic involvement should be documented, including any renal or neurological manifestations that may arise from vasculitis.

Physical Medicine

Documentation Requirements

Functional assessments should evaluate the patient's mobility, strength, and need for assistive devices.

Common Clinical Scenarios

Rehabilitation scenarios may include post-surgical recovery or management of chronic pain and mobility limitations.

Billing Considerations

Considerations include the impact of joint involvement on overall mobility and the need for tailored rehabilitation programs.

Coding Guidelines

Inclusion Criteria

Use M05.2 When
  • Official coding guidelines require documentation of laterality when applicable, severity of the condition, and the type of encounter (initial, follow
  • up, etc
  • Accurate coding also necessitates clear documentation of the relationship between RA and vasculitis

Exclusion Criteria

Do NOT use M05.2 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

99214CPT Code

Established patient office visit, moderate complexity

Clinical Scenario

Used for follow-up visits to manage RA and assess for vasculitis complications.

Documentation Requirements

Documentation must include history, examination findings, and treatment plan.

Specialty Considerations

Rheumatology considerations include monitoring disease activity and adjusting treatment.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for greater specificity in coding musculoskeletal conditions, including the ability to capture systemic involvement in RA, which is crucial for appropriate treatment and reimbursement.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for greater specificity in coding musculoskeletal conditions, including the ability to capture systemic involvement in RA, which is crucial for appropriate treatment and reimbursement.

Reimbursement & Billing Impact

reimbursement.

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 M05.2?

Key documentation requirements include detailed clinical notes on joint involvement, systemic symptoms, laboratory results indicating inflammation, and any imaging studies that support the diagnosis of rheumatoid vasculitis.