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 CodesM02.16

M02.16

Billable

Postdysenteric arthropathy, knee

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

Code Description

ICD-10 M02.16 is a billable code used to indicate a diagnosis of postdysenteric arthropathy, knee.

Key Diagnostic Point:

Postdysenteric arthropathy is a type of reactive arthritis that occurs following an episode of dysentery, typically caused by bacterial infections such as Shigella or Salmonella. This condition primarily affects the knee joint, leading to inflammation, pain, and swelling. Anatomically, the knee joint consists of the femur, tibia, fibula, and patella, with ligaments and cartilage providing stability and cushioning. The pathophysiology involves an immune response triggered by the infection, resulting in synovitis and potential damage to the cartilage and surrounding structures. Clinically, patients may present with acute onset of knee pain, swelling, and reduced range of motion, often following gastrointestinal symptoms. The condition may also be associated with systemic symptoms such as fever and malaise, and it can lead to chronic joint issues if not properly managed.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Requires understanding of post-infectious inflammatory processes
  • Involves specific anatomical knowledge of the knee joint
  • Differentiation from other types of arthritis is necessary
  • Documentation of prior dysentery is critical for accurate coding

Audit Risk Factors

  • Inadequate documentation of prior dysentery
  • Failure to specify laterality of knee involvement
  • Lack of evidence for inflammatory markers or imaging results
  • Misclassification of the type of arthritis

Specialty Focus

Medical Specialties

Orthopedics

Documentation Requirements

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

Common Clinical Scenarios

Patients may present with acute knee pain post-dysentery, requiring evaluation for potential surgical intervention if conservative management fails.

Billing Considerations

Joint-specific considerations include assessing for effusion, ligament integrity, and potential for chronic changes in the joint structure.

Rheumatology

Documentation Requirements

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

Common Clinical Scenarios

Patients may exhibit symptoms of reactive arthritis following gastrointestinal infections, necessitating a thorough evaluation for autoimmune conditions.

Billing Considerations

Systemic involvement may occur, requiring monitoring for other manifestations of reactive arthritis or related conditions.

Physical Medicine

Documentation Requirements

Functional assessments should document mobility limitations, pain levels, and rehabilitation needs, including any assistive devices used.

Common Clinical Scenarios

Rehabilitation scenarios may involve physical therapy to restore range of motion and strength post-arthropathy.

Billing Considerations

Mobility limitations may necessitate a multidisciplinary approach, including occupational therapy for daily living activities.

Coding Guidelines

Inclusion Criteria

Use M02.16 When
  • Official coding guidelines require documentation of laterality (right, left, bilateral) and severity of the condition
  • Encounter type (initial, subsequent, sequela) must also be clearly documented

Exclusion Criteria

Do NOT use M02.16 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 knee joint effusion management in postdysenteric arthropathy.

Documentation Requirements

Document the indication for the procedure, including joint involvement and prior treatments.

Specialty Considerations

Orthopedic considerations include assessing joint stability and potential for surgical intervention.

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 post-infectious 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 post-infectious 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 post-infectious arthropathies and their management.

Resources

Clinical References

  • •
    American College of Rheumatology Guidelines

Coding & Billing References

  • •
    American College of Rheumatology Guidelines

Frequently Asked Questions

What is the significance of documenting prior dysentery in postdysenteric arthropathy?

Documenting prior dysentery is crucial as it establishes the etiology of the arthropathy, differentiating it from other forms of arthritis and ensuring accurate coding and treatment planning.