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ICD-10 Guide
ICD-10 CodesM05.25

M05.25

Billable

Rheumatoid vasculitis with rheumatoid arthritis of hip

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

Code Description

ICD-10 M05.25 is a billable code used to indicate a diagnosis of rheumatoid vasculitis with rheumatoid arthritis of hip.

Key Diagnostic Point:

Rheumatoid vasculitis is a serious complication of rheumatoid arthritis (RA) characterized by inflammation of blood vessels, which can lead to ischemia and tissue damage. In this condition, the hip joint may be affected by both the systemic effects of RA and localized joint inflammation. Anatomically, the hip joint consists of the acetabulum of the pelvis and the femoral head, surrounded by a synovial membrane that can become inflamed in RA. Clinically, patients may present with joint pain, swelling, and reduced range of motion in the hip, alongside systemic symptoms such as fatigue and malaise. The presence of vasculitis can exacerbate these symptoms, leading to complications such as skin ulcers or neuropathy. Diagnosis typically involves clinical evaluation, imaging studies, and laboratory tests to assess inflammation and rule out other conditions.

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 severity
  • Potential for overlapping symptoms with other rheumatologic conditions
  • Complexity in treatment approaches that may involve multiple specialties

Audit Risk Factors

  • Inadequate documentation of joint involvement and severity
  • Failure to document systemic symptoms related to vasculitis
  • Misclassification of the condition due to overlapping symptoms
  • Inconsistent use of codes for related complications

Specialty Focus

Medical Specialties

Orthopedics

Documentation Requirements

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

Common Clinical Scenarios

Common scenarios include joint replacement surgery due to severe damage from RA or management of acute exacerbations requiring surgical intervention.

Billing Considerations

Documentation must reflect the severity of joint involvement and any functional limitations experienced by the patient.

Rheumatology

Documentation Requirements

Rheumatologic documentation should include laboratory tests for inflammatory markers (e.g., ESR, CRP), disease activity scores, and notes on systemic involvement.

Common Clinical Scenarios

Patients may present with flares of RA requiring adjustment of disease-modifying antirheumatic drugs (DMARDs) or biologics.

Billing Considerations

Systemic involvement must be documented, including any effects on organs or tissues beyond the joints.

Physical Medicine

Documentation Requirements

Functional assessments should evaluate mobility, strength, and endurance, along with rehabilitation goals and progress notes.

Common Clinical Scenarios

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

Billing Considerations

Documentation should address the need for assistive devices and the impact of the condition on daily activities.

Coding Guidelines

Inclusion Criteria

Use M05.25 When
  • Official coding guidelines require accurate documentation of laterality (if applicable), severity of the condition, and the type of encounter (initial, follow
  • up, etc
  • Coders must ensure that all relevant clinical information is captured to support the diagnosis

Exclusion Criteria

Do NOT use M05.25 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 hip due to RA.

Documentation Requirements

Document the joint involved, the procedure performed, and the indication for the procedure.

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 allowed for greater specificity in coding musculoskeletal conditions, enabling better tracking of disease prevalence and treatment outcomes. M05.25 reflects the complexity of managing rheumatoid arthritis with systemic involvement, which was less detailed in ICD-9.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for greater specificity in coding musculoskeletal conditions, enabling better tracking of disease prevalence and treatment outcomes. M05.25 reflects the complexity of managing rheumatoid arthritis with systemic involvement, which was less detailed in ICD-9.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for greater specificity in coding musculoskeletal conditions, enabling better tracking of disease prevalence and treatment outcomes. M05.25 reflects the complexity of managing rheumatoid arthritis with systemic involvement, which was less detailed in ICD-9.

Resources

Clinical References

  • •
    American College of Rheumatology Guidelines

Coding & Billing References

  • •
    American College of Rheumatology Guidelines

Frequently Asked Questions

What are the key symptoms of rheumatoid vasculitis?

Key symptoms include joint pain and swelling, systemic symptoms like fatigue, skin ulcers, and neuropathy. Patients may also experience reduced mobility due to hip involvement.