ICD-10 Logo
ICDxICD-10 Medical Coding
ICD-10 Logo
ICDxICD-10 Medical Coding
ICD 10 CodesDiagnoses
ICD 10 CodesDiagnoses
ICD-10 Logo
ICDxICD-10 Medical Coding

Comprehensive ICD-10-CM code reference with AI-powered search capabilities.

© 2025 ICD Code Compass. All rights reserved.

Browse

  • All Chapters
  • All Categories
  • Diagnoses

Tools

  • AI Code Search
ICD-10-CM codes are maintained by the CDC and CMS. This tool is for reference purposes only.
v1.0.0
ICD-10 Guide
ICD-10 CodesM02.821

M02.821

Billable

Other reactive arthropathies, right elbow

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

Code Description

ICD-10 M02.821 is a billable code used to indicate a diagnosis of other reactive arthropathies, right elbow.

Key Diagnostic Point:

Reactive arthropathies are a group of inflammatory joint conditions that occur secondary to infections or other inflammatory processes elsewhere in the body. The right elbow, anatomically consisting of the humerus, radius, and ulna, is a hinge joint that allows for flexion and extension, as well as limited rotation. In cases of reactive arthropathy, the inflammation may be triggered by infections such as urethritis or gastroenteritis, leading to synovitis and joint pain. Clinically, patients may present with swelling, tenderness, and reduced range of motion in the right elbow, impacting daily activities and functional mobility. The pathophysiology involves an immune-mediated response where the body reacts to antigens from the initial infection, resulting in joint inflammation. Diagnosis typically involves clinical evaluation, imaging studies, and laboratory tests to rule out other causes of arthritis.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiation from other types of arthritis
  • Need for detailed documentation of joint involvement
  • Potential for systemic symptoms affecting coding
  • Variability in clinical presentation and severity

Audit Risk Factors

  • Inadequate documentation of prior infections
  • Failure to specify laterality
  • Lack of detailed clinical notes on joint function
  • Misclassification of reactive arthropathy as primary arthritis

Specialty Focus

Medical Specialties

Orthopedics

Documentation Requirements

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

Common Clinical Scenarios

Common scenarios include post-infectious arthritis following a gastrointestinal infection or urethritis, requiring surgical intervention if joint damage occurs.

Billing Considerations

Joint-specific considerations include documenting the severity of inflammation and any associated mechanical issues.

Rheumatology

Documentation Requirements

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

Common Clinical Scenarios

Scenarios may involve patients with a history of reactive arthritis presenting with exacerbations linked to prior infections.

Billing Considerations

Consideration of systemic involvement is crucial, as reactive arthropathies can be associated with other autoimmune conditions.

Physical Medicine

Documentation Requirements

Functional assessments should document mobility limitations, pain levels, and rehabilitation needs.

Common Clinical Scenarios

Rehabilitation scenarios may include post-arthroscopy recovery or physical therapy for joint stiffness.

Billing Considerations

Mobility limitations may necessitate the use of assistive devices, which should be documented.

Coding Guidelines

Inclusion Criteria

Use M02.821 When
  • Official coding guidelines for M02
  • 821 require accurate documentation of laterality (right elbow), severity of symptoms, and the type of encounter (initial, follow
  • up, etc
  • Coders must ensure that the diagnosis aligns with the clinical documentation provided

Exclusion Criteria

Do NOT use M02.821 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 when joint effusion is present and requires aspiration for diagnostic or therapeutic purposes.

Documentation Requirements

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

Specialty Considerations

Orthopedic and rheumatologic considerations include the need for imaging guidance and assessment of joint pathology.

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 coders to capture the nuances of reactive arthropathies and their clinical implications more accurately.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for greater specificity in coding musculoskeletal conditions, enabling coders to capture the nuances of reactive arthropathies and their clinical implications more accurately.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for greater specificity in coding musculoskeletal conditions, enabling coders to capture the nuances of reactive arthropathies and their clinical implications more accurately.

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 such as chlamydia, gastrointestinal infections, and viral illnesses. These infections can trigger an immune response that leads to joint inflammation.