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ICD-10 Guide
ICD-10 CodesM05.119

M05.119

Billable

Rheumatoid lung disease with rheumatoid arthritis of unspecified shoulder

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

Code Description

ICD-10 M05.119 is a billable code used to indicate a diagnosis of rheumatoid lung disease with rheumatoid arthritis of unspecified shoulder.

Key Diagnostic Point:

Rheumatoid lung disease is a serious complication of rheumatoid arthritis (RA), characterized by inflammation and fibrosis of lung tissue, leading to respiratory symptoms. The condition often coexists with joint involvement, particularly in the shoulders, which are commonly affected in RA. Anatomically, the shoulder comprises the glenohumeral joint, acromioclavicular joint, and surrounding musculature, all of which can be impacted by inflammatory processes. Clinically, patients may present with joint pain, stiffness, and reduced range of motion in the shoulder, alongside respiratory symptoms such as cough, dyspnea, and chest discomfort. The pathophysiology involves autoimmune mechanisms where the immune system attacks synovial tissues, leading to joint erosion and systemic manifestations, including lung involvement. Diagnosis typically requires a combination of clinical evaluation, imaging studies, and laboratory tests to assess inflammation and lung function.

Code Complexity Analysis

Complexity Rating: High

High Complexity

Complexity Factors

  • Multisystem involvement (rheumatologic and respiratory)
  • Need for precise documentation of joint involvement
  • Variability in clinical presentation and severity
  • Potential for overlapping diagnoses

Audit Risk Factors

  • Inadequate documentation of lung disease severity
  • Failure to specify joint involvement
  • Misclassification of the type of rheumatoid arthritis
  • Lack of supporting evidence for systemic manifestations

Specialty Focus

Medical Specialties

Orthopedics

Documentation Requirements

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

Common Clinical Scenarios

Patients may require surgical intervention for joint repair or replacement due to severe damage from RA.

Billing Considerations

Documentation must detail the specific joints affected and the extent of damage to guide treatment decisions.

Rheumatology

Documentation Requirements

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

Common Clinical Scenarios

Patients may present with exacerbations of RA requiring adjustments in medication or therapy.

Billing Considerations

Systemic involvement must be documented, including lung function tests and any respiratory symptoms.

Physical Medicine

Documentation Requirements

Functional assessments should evaluate mobility, strength, and endurance, along with rehabilitation needs.

Common Clinical Scenarios

Patients may require physical therapy to improve joint function and respiratory therapy for lung involvement.

Billing Considerations

Documentation should address mobility limitations and the need for assistive devices.

Coding Guidelines

Inclusion Criteria

Use M05.119 When
  • Coders must ensure accurate laterality if applicable, document the severity of both lung and joint involvement, and specify the encounter type (initial, follow
  • up, etc

Exclusion Criteria

Do NOT use M05.119 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 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, particularly those with systemic involvement, improving the accuracy of patient records and treatment plans.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for greater specificity in coding musculoskeletal conditions, particularly those with systemic involvement, improving the accuracy of patient records and treatment plans.

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 common symptoms of rheumatoid lung disease?

Common symptoms include persistent cough, shortness of breath, chest pain, and fatigue, often accompanied by joint pain and stiffness.