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v1.0.0
ICD-10 Guide
ICD-10 CodesM02.871

M02.871

Billable

Other reactive arthropathies, right ankle and foot

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

Code Description

ICD-10 M02.871 is a billable code used to indicate a diagnosis of other reactive arthropathies, right ankle and foot.

Key Diagnostic Point:

Reactive arthropathies are inflammatory joint conditions that arise secondary to infections or other systemic diseases, often presenting with joint pain, swelling, and stiffness. The right ankle and foot are particularly susceptible due to their complex anatomy, which includes multiple bones (tibia, fibula, talus, calcaneus, and metatarsals), ligaments, tendons, and synovial structures. Clinically, patients may exhibit symptoms such as localized tenderness, reduced range of motion, and swelling in the affected joints. The pathophysiology involves an immune response triggered by an infection elsewhere in the body, leading to inflammation in the joints. This condition can significantly impact mobility and quality of life, necessitating a thorough evaluation and management plan.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Anatomical specificity of the right ankle and foot
  • Differentiation from other arthropathies
  • Need for detailed clinical documentation
  • Potential for co-existing conditions

Audit Risk Factors

  • Inadequate documentation of clinical findings
  • Failure to specify laterality
  • Misclassification of reactive arthropathies as primary arthritis
  • Lack of supporting evidence for diagnosis

Specialty Focus

Medical Specialties

Orthopedics

Documentation Requirements

Orthopedic documentation should include imaging studies (X-rays, MRIs) to assess joint integrity and functional assessments to evaluate mobility.

Common Clinical Scenarios

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

Billing Considerations

Documentation must detail the severity of joint involvement and any surgical interventions performed.

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 autoimmune conditions triggering reactive arthritis, necessitating a comprehensive treatment plan.

Billing Considerations

Consideration of systemic involvement and monitoring for potential progression to chronic arthritis is crucial.

Physical Medicine

Documentation Requirements

Functional assessments should be documented to evaluate the impact on daily activities and rehabilitation needs.

Common Clinical Scenarios

Rehabilitation scenarios may include post-arthrocentesis or physical therapy following acute exacerbations.

Billing Considerations

Documentation of mobility limitations and the need for assistive devices is essential for comprehensive care.

Coding Guidelines

Inclusion Criteria

Use M02.871 When
  • Follow official coding guidelines that require specificity in laterality (right ankle and foot), severity of the condition, and the type of encounter (initial, follow
  • up, etc
  • Ensure that all documentation supports the diagnosis

Exclusion Criteria

Do NOT use M02.871 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 joint swelling and pain management in reactive arthritis.

Documentation Requirements

Document the joint involved, reason for aspiration, and any therapeutic agents injected.

Specialty Considerations

Orthopedic and rheumatologic considerations for joint health and inflammation 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

reimbursement.

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 (bacterial, viral, or fungal), autoimmune diseases, and certain medications. The immune response to these triggers can lead to inflammation in the joints, particularly in the ankles and feet.