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ICD-10 Guide
ICD-10 CodesM05.13

M05.13

Billable

Rheumatoid lung disease with rheumatoid arthritis of wrist

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

Code Description

ICD-10 M05.13 is a billable code used to indicate a diagnosis of rheumatoid lung disease with rheumatoid arthritis of wrist.

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, swelling, and stiffness, particularly in the wrist joints. Anatomically, the wrist consists of eight carpal bones, which articulate with the radius and ulna, allowing for a wide range of motion. In RA, synovial inflammation leads to joint destruction and deformities, impacting functional mobility. The combination of rheumatoid lung disease and wrist involvement complicates management, necessitating a multidisciplinary approach to address both musculoskeletal and pulmonary symptoms.

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 regimens that may involve multiple specialties

Audit Risk Factors

  • Inadequate documentation of lung involvement
  • Failure to specify laterality of wrist involvement
  • Misclassification of severity of rheumatoid arthritis
  • Lack of comprehensive treatment documentation

Specialty Focus

Medical Specialties

Orthopedics

Documentation Requirements

Detailed imaging reports (X-rays, MRIs) showing joint damage, functional assessments, and treatment plans.

Common Clinical Scenarios

Patients undergoing joint replacement or synovectomy due to severe RA.

Billing Considerations

Documenting specific joint deformities and functional limitations in the wrist.

Rheumatology

Documentation Requirements

Lab results indicating inflammatory markers (e.g., RF, anti-CCP), disease activity scores, and treatment response.

Common Clinical Scenarios

Management of systemic symptoms alongside joint treatment, including DMARD therapy.

Billing Considerations

Monitoring for systemic complications and adjusting treatment based on disease progression.

Physical Medicine

Documentation Requirements

Functional assessments, rehabilitation goals, and progress notes on mobility and strength.

Common Clinical Scenarios

Rehabilitation post-surgery or during flare-ups to improve joint function.

Billing Considerations

Assessing the need for assistive devices and adaptive strategies for daily living.

Coding Guidelines

Inclusion Criteria

Use M05.13 When
  • Coders must ensure accurate documentation of laterality (right/left wrist), severity of rheumatoid arthritis, and whether the encounter is for initial diagnosis, follow
  • up, or treatment
  • Specificity in documenting lung involvement is also crucial

Exclusion Criteria

Do NOT use M05.13 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

99214CPT Code

Established patient office visit, moderate complexity

Clinical Scenario

Used for follow-up visits to manage RA and associated lung disease.

Documentation Requirements

Detailed history of present illness, review of systems, and physical examination findings.

Specialty Considerations

Rheumatology and pulmonology considerations for comprehensive care.

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, 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 like rheumatoid arthritis, improving the accuracy of patient records and treatment plans.

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, improving the accuracy of patient records and treatment plans.

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 swelling typical of rheumatoid arthritis.