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ICD-10 Guide
ICD-10 CodesM02.819

M02.819

Billable

Other reactive arthropathies, unspecified shoulder

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

Code Description

ICD-10 M02.819 is a billable code used to indicate a diagnosis of other reactive arthropathies, unspecified shoulder.

Key Diagnostic Point:

Reactive arthropathies are inflammatory joint conditions that arise secondary to infections or other systemic diseases, without direct infection of the joint itself. The shoulder joint, a ball-and-socket joint formed by the humeral head and the glenoid cavity of the scapula, is susceptible to various forms of arthritis, including reactive arthropathies. Clinically, patients may present with pain, swelling, and limited range of motion in the shoulder, often following a preceding infection or inflammatory condition elsewhere in the body. The pathophysiology involves an immune-mediated response where antibodies or immune complexes target joint tissues, leading to synovial inflammation and joint effusion. Diagnosis typically involves clinical evaluation, imaging studies, and laboratory tests to rule out other causes of shoulder pain. The condition can lead to significant functional impairment, affecting daily activities and quality of life.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variety of potential underlying causes (e.g., infections, autoimmune disorders)
  • Need for comprehensive documentation of clinical history and symptoms
  • Differentiation from other types of shoulder arthritis
  • Potential for overlapping symptoms with other musculoskeletal conditions

Audit Risk Factors

  • Inadequate documentation of clinical findings and history
  • Failure to specify laterality or severity of the condition
  • Misclassification of reactive arthropathy as primary arthritis
  • Lack of supporting diagnostic tests or imaging results

Specialty Focus

Medical Specialties

Orthopedics

Documentation Requirements

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

Common Clinical Scenarios

Patients may present with shoulder pain following a recent infection, requiring surgical intervention if conservative management fails.

Billing Considerations

Documentation should detail joint-specific findings, including swelling, tenderness, and any mechanical instability.

Rheumatology

Documentation Requirements

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

Common Clinical Scenarios

Patients with a history of autoimmune diseases may develop reactive arthropathies, necessitating a comprehensive evaluation of systemic involvement.

Billing Considerations

Consideration of comorbid conditions and their impact on treatment and prognosis is crucial.

Physical Medicine

Documentation Requirements

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

Common Clinical Scenarios

Patients may require physical therapy to restore function and reduce pain following a reactive arthropathy episode.

Billing Considerations

Focus on mobility limitations and the impact on daily living activities is essential.

Coding Guidelines

Inclusion Criteria

Use M02.819 When
  • Coders must ensure accurate documentation of laterality (right, left, bilateral) and severity (mild, moderate, severe) as well as the type of encounter (initial, follow
  • up, or subsequent)

Exclusion Criteria

Do NOT use M02.819 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 diagnostic or therapeutic purposes in patients with joint effusion due to reactive arthropathy.

Documentation Requirements

Documentation must include indication for the procedure, joint involved, and any findings from the aspiration.

Specialty Considerations

Orthopedic and rheumatologic considerations for joint health and 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, enabling better tracking of reactive arthropathies and their management.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for greater specificity in coding musculoskeletal conditions, enabling better tracking of reactive arthropathies and their management.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for greater specificity in coding musculoskeletal conditions, enabling better tracking of reactive arthropathies and their management.

Resources

Clinical References

  • •
    American College of Rheumatology Guidelines

Coding & Billing References

  • •
    American College of Rheumatology Guidelines

Frequently Asked Questions

What are the common causes of reactive arthropathies?

Common causes include infections (e.g., gastrointestinal, genitourinary), autoimmune diseases, and post-viral syndromes. It is essential to document the patient's history of infections or systemic conditions that may trigger the arthropathy.