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ICD-10 Guide
ICD-10 CodesM05.29

M05.29

Billable

Rheumatoid vasculitis with rheumatoid arthritis of multiple sites

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

Code Description

ICD-10 M05.29 is a billable code used to indicate a diagnosis of rheumatoid vasculitis with rheumatoid arthritis of multiple sites.

Key Diagnostic Point:

Rheumatoid vasculitis is a serious complication of rheumatoid arthritis (RA) characterized by inflammation of blood vessels, leading to ischemia and damage to various organs. This condition occurs when the immune system mistakenly attacks the body's own tissues, particularly affecting the synovial joints. Anatomically, the joints involved may include the hands, wrists, elbows, shoulders, knees, and ankles, with potential systemic involvement affecting the skin, nerves, and internal organs. Clinically, patients may present with joint pain, swelling, and stiffness, alongside systemic symptoms such as fever, malaise, and skin lesions indicative of vasculitis. The pathophysiology involves immune complex deposition in vessel walls, leading to necrotizing vasculitis, which can result in significant morbidity if not managed appropriately. Early recognition and treatment are crucial to prevent irreversible damage.

Code Complexity Analysis

Complexity Rating: High

High Complexity

Complexity Factors

  • Multisystem involvement complicates diagnosis and treatment.
  • Requires understanding of both rheumatologic and vascular pathology.
  • Documentation must capture both joint and systemic manifestations.
  • Differentiation from other forms of vasculitis is necessary.

Audit Risk Factors

  • Inadequate documentation of systemic involvement.
  • Failure to specify joint involvement accurately.
  • Misclassification of vasculitis severity.
  • Lack of supporting lab results or imaging studies.

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 pain management.

Billing Considerations

Joint-specific considerations include documenting the severity of joint involvement and any surgical history.

Rheumatology

Documentation Requirements

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

Common Clinical Scenarios

Autoimmune and inflammatory scenarios often involve medication management and monitoring for systemic complications.

Billing Considerations

Systemic involvement must be documented, including any organ-specific symptoms or complications.

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 physical therapy for joint function restoration and pain management.

Billing Considerations

Mobility limitations should be documented, including the impact on daily activities and quality of life.

Coding Guidelines

Inclusion Criteria

Use M05.29 When
  • Official coding guidelines require specificity in documenting laterality (if applicable), severity of the condition, and the type of encounter (initial, follow
  • up, etc
  • Accurate coding also necessitates capturing any associated complications

Exclusion Criteria

Do NOT use M05.29 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 swelling management in RA patients.

Documentation Requirements

Document joint location, fluid analysis, and patient response.

Specialty Considerations

Orthopedic and rheumatologic considerations for joint health.

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, enabling better tracking of complications like vasculitis associated with rheumatoid arthritis.

ICD-9 vs ICD-10

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

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for greater specificity in coding musculoskeletal conditions, enabling 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 M05.29?

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