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ICD-10 Guide
ICD-10 CodesM05.351

M05.351

Billable

Rheumatoid heart disease with rheumatoid arthritis of right hip

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

Code Description

ICD-10 M05.351 is a billable code used to indicate a diagnosis of rheumatoid heart disease with rheumatoid arthritis of right hip.

Key Diagnostic Point:

Rheumatoid heart disease is a complication of rheumatoid arthritis (RA), an autoimmune disorder characterized by chronic inflammation of the joints. In this condition, the immune system mistakenly attacks the synovial membrane, leading to joint damage and systemic effects, including cardiovascular involvement. The right hip joint, a ball-and-socket joint, is particularly affected in this case, leading to pain, stiffness, and reduced range of motion. Patients may experience joint swelling and tenderness, which can significantly impair mobility. The anatomical structure of the hip includes the femoral head, acetabulum, and surrounding ligaments and muscles, all of which can be affected by inflammatory processes. Clinically, patients may present with symptoms such as hip pain exacerbated by movement, difficulty in weight-bearing activities, and systemic signs of rheumatoid disease, including fatigue and malaise. The presence of rheumatoid heart disease indicates potential complications such as pericarditis or valvular heart disease, necessitating a multidisciplinary approach to management.

Code Complexity Analysis

Complexity Rating: High

High Complexity

Complexity Factors

  • Involvement of multiple body systems (musculoskeletal and cardiovascular)
  • Need for precise documentation of joint involvement and severity
  • Potential for overlapping symptoms with other conditions
  • Complexity in treatment approaches requiring interdisciplinary coordination

Audit Risk Factors

  • Inadequate documentation of joint involvement and severity
  • Failure to capture systemic manifestations of rheumatoid disease
  • Misclassification of the primary diagnosis versus secondary conditions
  • Lack of supporting evidence for treatment modalities used

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 for severe hip arthritis or arthroscopy for diagnostic purposes.

Billing Considerations

Orthopedic documentation must detail the extent of joint damage and any associated deformities, as well as the patient's functional limitations.

Rheumatology

Documentation Requirements

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

Common Clinical Scenarios

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

Billing Considerations

Documentation must reflect the systemic nature of the disease and any cardiovascular assessments performed.

Physical Medicine

Documentation Requirements

Functional assessments should include evaluations of mobility, strength, and endurance, along with rehabilitation goals.

Common Clinical Scenarios

Rehabilitation scenarios may involve physical therapy for hip joint mobilization and strengthening exercises.

Billing Considerations

Documentation should address mobility limitations and the need for assistive devices, such as walkers or canes.

Coding Guidelines

Inclusion Criteria

Use M05.351 When
  • Follow official coding guidelines for laterality (right hip), severity (acute vs
  • chronic), and encounter type (initial vs
  • follow
  • Ensure that all relevant conditions are documented to support the primary diagnosis

Exclusion Criteria

Do NOT use M05.351 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 right hip.

Documentation Requirements

Document the indication for aspiration, joint assessment, and any therapeutic injections.

Specialty Considerations

Orthopedic and rheumatologic documentation must support the need for the procedure.

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, particularly in capturing the complexity of rheumatoid arthritis and its systemic effects.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for greater specificity in coding musculoskeletal conditions, particularly in capturing the complexity of rheumatoid arthritis and its systemic effects.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for greater specificity in coding musculoskeletal conditions, particularly in capturing the complexity of rheumatoid arthritis and its systemic effects.

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 M05.351?

Key documentation includes detailed descriptions of joint involvement, systemic symptoms, imaging results, and treatment plans. Ensure that all specialties involved in care provide consistent and comprehensive notes.