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ICD-10 Guide
ICD-10 CodesM05.151

M05.151

Billable

Rheumatoid lung disease with rheumatoid arthritis of right hip

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

Code Description

ICD-10 M05.151 is a billable code used to indicate a diagnosis of rheumatoid lung disease with rheumatoid arthritis of right hip.

Key Diagnostic Point:

Rheumatoid lung disease is a serious complication of rheumatoid arthritis (RA), characterized by interstitial lung disease, pleural effusions, and pulmonary nodules. The pathophysiology involves autoimmune-mediated inflammation leading to lung tissue damage. Clinically, patients may present with respiratory symptoms such as dyspnea, cough, and chest pain, alongside the hallmark symptoms of RA, including joint pain, stiffness, and swelling. The right hip joint, being one of the major weight-bearing joints, may exhibit significant involvement, leading to decreased range of motion, pain during ambulation, and functional limitations. The anatomical considerations include the acetabulum and femoral head, which may undergo erosive changes due to the inflammatory process. This dual diagnosis necessitates a comprehensive approach to management, addressing both the pulmonary and musculoskeletal manifestations.

Code Complexity Analysis

Complexity Rating: High

High Complexity

Complexity Factors

  • Involvement of multiple body systems (musculoskeletal and respiratory)
  • Need for detailed 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 lung involvement
  • Failure to specify laterality of hip involvement
  • Misclassification of severity or stage of rheumatoid arthritis
  • Lack of supporting evidence for co-existing conditions

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 notes on joint range of motion.

Common Clinical Scenarios

Common scenarios include surgical interventions such as hip arthroplasty or joint injections for pain management.

Billing Considerations

Joint-specific considerations include documenting the extent of erosive changes and functional limitations impacting daily activities.

Rheumatology

Documentation Requirements

Rheumatologic documentation must include laboratory tests for inflammatory markers (e.g., ESR, CRP), imaging for lung involvement, 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

Systemic involvement necessitates careful monitoring of lung function and potential complications from RA treatments.

Physical Medicine

Documentation Requirements

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

Common Clinical Scenarios

Rehabilitation scenarios may include physical therapy for joint function restoration and pulmonary rehabilitation for lung disease.

Billing Considerations

Mobility limitations may require assistive devices, which should be documented to support coding for rehabilitation services.

Coding Guidelines

Inclusion Criteria

Use M05.151 When
  • Coders must adhere to guidelines regarding laterality (specifying right hip involvement), severity (documenting the extent of joint damage), and encounter type (initial vs
  • follow
  • up visits)

Exclusion Criteria

Do NOT use M05.151 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 managing joint effusion in the right hip due to rheumatoid arthritis.

Documentation Requirements

Document the joint involved, amount of fluid aspirated, and any therapeutic agents injected.

Specialty Considerations

Orthopedic considerations include assessing joint stability and potential for surgical intervention.

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 like rheumatoid arthritis, enhancing the ability to capture the complexity of patient presentations.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for greater specificity in coding musculoskeletal conditions, particularly those with systemic involvement like rheumatoid arthritis, enhancing the ability to capture the complexity of patient presentations.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for greater specificity in coding musculoskeletal conditions, particularly those with systemic involvement like rheumatoid arthritis, enhancing the ability to capture the complexity of patient presentations.

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 M05.151?

Key documentation elements include detailed descriptions of joint involvement (specifically the right hip), evidence of lung disease (such as imaging or pulmonary function tests), and assessments of disease activity and functional limitations.