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v1.0.0
ICD-10 Guide
ICD-10 CodesM05.411

M05.411

Billable

Rheumatoid myopathy with rheumatoid arthritis of right shoulder

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

Code Description

ICD-10 M05.411 is a billable code used to indicate a diagnosis of rheumatoid myopathy with rheumatoid arthritis of right shoulder.

Key Diagnostic Point:

Rheumatoid myopathy is a condition characterized by muscle weakness and pain associated with rheumatoid arthritis (RA), an autoimmune disorder that primarily affects the joints. In this case, the right shoulder is specifically involved. The pathophysiology involves inflammation of the synovial membrane leading to joint damage and muscle atrophy due to disuse and systemic inflammation. Clinically, patients may present with pain, swelling, and reduced range of motion in the right shoulder, alongside systemic symptoms such as fatigue and malaise. Anatomically, the shoulder joint comprises the humerus, scapula, and clavicle, with surrounding muscles including the rotator cuff, deltoid, and pectoralis major, all of which may be affected by the inflammatory process. The condition can lead to significant functional impairment, impacting daily activities and quality of life.

Code Complexity Analysis

Complexity Rating: High

High Complexity

Complexity Factors

  • Involvement of multiple anatomical structures (muscles, joints)
  • Need for precise documentation of laterality and severity
  • Differentiation from other myopathies and arthritides
  • Potential for systemic manifestations affecting coding

Audit Risk Factors

  • Inadequate documentation of joint involvement and severity
  • Failure to specify laterality (right shoulder)
  • Misclassification of rheumatoid myopathy as another type of myopathy
  • Lack of supporting evidence for functional limitations

Specialty Focus

Medical Specialties

Orthopedics

Documentation Requirements

Orthopedic documentation should include imaging studies (e.g., X-rays, MRIs) to assess joint integrity and functional assessments to evaluate range of motion and strength.

Common Clinical Scenarios

Common scenarios include surgical interventions for joint repair or replacement, and management of acute exacerbations of arthritis.

Billing Considerations

Joint-specific considerations include the assessment of joint stability, alignment, and the presence of any deformities.

Rheumatology

Documentation Requirements

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

Common Clinical Scenarios

Scenarios often involve managing systemic symptoms and adjusting DMARD therapy based on disease progression.

Billing Considerations

Consideration of systemic involvement, such as extra-articular manifestations, is crucial for comprehensive care.

Physical Medicine

Documentation Requirements

Functional assessments should document mobility limitations, pain levels, and the need for assistive devices.

Common Clinical Scenarios

Rehabilitation scenarios may include physical therapy for strength training and range of motion exercises.

Billing Considerations

Focus on mobility limitations and the impact on daily living activities is essential for effective rehabilitation planning.

Coding Guidelines

Inclusion Criteria

Use M05.411 When
  • Follow official coding guidelines for laterality (specifying right shoulder), severity (acute vs
  • chronic), and encounter type (initial vs
  • follow
  • Ensure that all documentation supports the diagnosis and reflects the complexity of the condition

Exclusion Criteria

Do NOT use M05.411 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

97110CPT Code

Therapeutic exercises

Clinical Scenario

Used in conjunction with M05.411 for rehabilitation of shoulder function.

Documentation Requirements

Document specific exercises performed and patient progress.

Specialty Considerations

Physical therapy documentation should reflect the goals of improving range of motion and strength.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has increased specificity in coding for musculoskeletal conditions, allowing for better tracking of disease prevalence and treatment outcomes. M05.411 reflects the complexity of managing both myopathy and arthritis, necessitating detailed documentation.

ICD-9 vs ICD-10

The transition to ICD-10 has increased specificity in coding for musculoskeletal conditions, allowing for better tracking of disease prevalence and treatment outcomes. M05.411 reflects the complexity of managing both myopathy and arthritis, necessitating detailed documentation.

Reimbursement & Billing Impact

The transition to ICD-10 has increased specificity in coding for musculoskeletal conditions, allowing for better tracking of disease prevalence and treatment outcomes. M05.411 reflects the complexity of managing both myopathy and arthritis, necessitating detailed documentation.

Resources

Clinical References

  • •
    American College of Rheumatology Guidelines

Coding & Billing References

  • •
    American College of Rheumatology Guidelines

Frequently Asked Questions

What are the key documentation elements for coding M05.411?

Key documentation elements include clear identification of the right shoulder involvement, detailed descriptions of muscle weakness and joint symptoms, results from imaging studies, and any laboratory tests indicating inflammation. Functional assessments and treatment plans should also be documented to support the diagnosis.