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ICD-10 Guide
ICD-10 CodesM05.14

M05.14

Billable

Rheumatoid lung disease with rheumatoid arthritis of hand

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

Code Description

ICD-10 M05.14 is a billable code used to indicate a diagnosis of rheumatoid lung disease with rheumatoid arthritis of 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 reduced exercise tolerance. The involvement of the hands in RA typically manifests as symmetrical polyarthritis, affecting the metacarpophalangeal and proximal interphalangeal joints, leading to deformities such as ulnar deviation and swan-neck deformities. The combination of lung disease and hand involvement complicates the clinical picture, necessitating a multidisciplinary approach to management, including rheumatologic and pulmonary evaluations.

Code Complexity Analysis

Complexity Rating: High

High Complexity

Complexity Factors

  • Multisystem involvement (rheumatologic and pulmonary)
  • Need for detailed documentation of joint involvement
  • Variability in clinical presentation and severity
  • Potential for overlapping conditions (e.g., interstitial lung disease)

Audit Risk Factors

  • Inadequate documentation of lung involvement
  • Failure to specify laterality of hand involvement
  • Misclassification of severity of joint disease
  • 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 damage and functional assessments to evaluate range of motion and strength.

Common Clinical Scenarios

Patients may require surgical intervention for severe joint deformities or instability, such as arthroplasties or tendon repairs.

Billing Considerations

Documentation must detail the specific joints involved, the extent of damage, and any functional limitations.

Rheumatology

Documentation Requirements

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

Common Clinical Scenarios

Management of RA may involve DMARDs, biologics, and monitoring for lung complications.

Billing Considerations

Systemic involvement must be documented, including any pulmonary function tests and imaging findings.

Physical Medicine

Documentation Requirements

Functional assessments should evaluate mobility, strength, and the need for assistive devices.

Common Clinical Scenarios

Rehabilitation may focus on improving joint function and respiratory therapy for lung involvement.

Billing Considerations

Mobility limitations due to joint pain and lung disease must be clearly documented to justify therapy.

Coding Guidelines

Inclusion Criteria

Use M05.14 When
  • Coders must ensure accurate documentation of laterality (e
  • , right hand, left hand) and the severity of both rheumatoid arthritis and lung disease
  • Encounter type (initial, follow
  • up) should also be documented appropriately

Exclusion Criteria

Do NOT use M05.14 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 assessing both joint and lung involvement.

Documentation Requirements

Documentation must include history, examination findings, and management plans for both RA and lung disease.

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 M05.14, improving the accuracy of patient records and reimbursement.

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 M05.14, improving the accuracy of patient records and reimbursement.

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 key documentation requirements for M05.14?

Key documentation includes detailed descriptions of joint involvement, evidence of lung disease (such as imaging or pulmonary function tests), and any systemic symptoms. It is essential to document the severity and impact on function.