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ICD-10 Guide
ICD-10 CodesM05.142

M05.142

Billable

Rheumatoid lung disease with rheumatoid arthritis of left hand

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

Code Description

ICD-10 M05.142 is a billable code used to indicate a diagnosis of rheumatoid lung disease with rheumatoid arthritis of left hand.

Key Diagnostic Point:

Rheumatoid lung disease is a serious complication of rheumatoid arthritis (RA), characterized by interstitial lung disease, pleural effusions, and pulmonary nodules. Anatomically, the lungs are affected by the systemic inflammatory process of RA, leading to fibrosis and impaired gas exchange. Clinically, patients may present with dyspnea, cough, and decreased exercise tolerance. The left hand involvement indicates that the patient has joint inflammation, typically affecting the metacarpophalangeal and proximal interphalangeal joints, leading to pain, swelling, and potential deformities. The combination of these conditions complicates management, requiring a multidisciplinary approach to address both musculoskeletal and pulmonary symptoms.

Code Complexity Analysis

Complexity Rating: High

High Complexity

Complexity Factors

  • Multisystem involvement (musculoskeletal and pulmonary)
  • Need for detailed documentation of joint involvement and severity
  • Potential for overlapping symptoms with other conditions
  • Variability in treatment approaches based on disease progression

Audit Risk Factors

  • Inadequate documentation of lung involvement
  • Failure to specify laterality of joint involvement
  • Misclassification of severity of rheumatoid arthritis
  • Omission of relevant comorbidities

Specialty Focus

Medical Specialties

Orthopedics

Documentation Requirements

Detailed imaging reports (X-rays, MRIs) and functional assessments of the left hand joints are essential for accurate coding.

Common Clinical Scenarios

Patients may require surgical interventions such as synovectomy or joint replacement due to severe deformities.

Billing Considerations

Documentation should include specific joints affected and the degree of functional impairment.

Rheumatology

Documentation Requirements

Inflammatory markers (e.g., ESR, CRP) and disease activity scores (e.g., DAS28) must be documented to assess the severity of RA.

Common Clinical Scenarios

Management of systemic symptoms and coordination of care for lung disease are critical.

Billing Considerations

Monitoring for disease progression and treatment response is vital for accurate coding.

Physical Medicine

Documentation Requirements

Functional assessments, including range of motion and strength testing, are necessary to evaluate rehabilitation needs.

Common Clinical Scenarios

Patients may require physical therapy for mobility restoration and pain management.

Billing Considerations

Documentation should address assistive devices and home modifications needed for patient safety.

Coding Guidelines

Inclusion Criteria

Use M05.142 When
  • Coders must ensure accurate laterality (left hand) and document the severity of both rheumatoid arthritis and lung disease
  • Encounter type (initial, follow
  • up) also influences coding

Exclusion Criteria

Do NOT use M05.142 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

99214CPT Code

Established patient office visit, level 4

Clinical Scenario

Used for follow-up visits assessing both joint and lung symptoms.

Documentation Requirements

Documentation must include history, examination findings, and treatment plan.

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, particularly for conditions like rheumatoid arthritis that have systemic implications.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for greater specificity in coding, particularly for conditions like rheumatoid arthritis that have systemic implications.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for greater specificity in coding, particularly for conditions like rheumatoid arthritis that have systemic implications.

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 rheumatoid lung disease?

Key elements include detailed descriptions of lung involvement, joint symptoms, inflammatory markers, and treatment plans. Documentation should also reflect the severity of both the lung and joint conditions.