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ICD-10 Guide
ICD-10 CodesM02.06

M02.06

Billable

Arthropathy following intestinal bypass, knee

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

Code Description

ICD-10 M02.06 is a billable code used to indicate a diagnosis of arthropathy following intestinal bypass, knee.

Key Diagnostic Point:

Arthropathy following intestinal bypass, particularly affecting the knee joint, is a condition that arises due to metabolic changes post-surgery. The knee joint, comprising the femur, tibia, fibula, and patella, is crucial for weight-bearing and mobility. Following intestinal bypass surgery, patients may experience alterations in nutrient absorption, leading to deficiencies in vitamins and minerals essential for joint health, such as vitamin D and calcium. This can result in osteomalacia or other degenerative changes in the joint. Clinically, patients may present with joint pain, swelling, and limited range of motion, particularly in the knee, which can significantly impact their mobility and quality of life. The pathophysiology involves inflammatory processes and potential autoimmune responses triggered by the surgical intervention, leading to arthritic changes. Diagnosis typically involves clinical evaluation, imaging studies, and laboratory tests to assess inflammation and nutrient levels.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Requires understanding of post-surgical metabolic changes
  • Involves specific anatomical knowledge of the knee joint
  • Documentation of nutritional deficiencies is critical
  • Differentiation from other arthropathies is necessary

Audit Risk Factors

  • Inadequate documentation of surgical history
  • Failure to document nutritional deficiencies
  • Misclassification of arthropathy type
  • Lack of evidence for joint involvement severity

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 limitations.

Common Clinical Scenarios

Patients may present with knee pain post-bypass surgery, requiring surgical intervention such as arthroscopy or joint replacement.

Billing Considerations

Documentation should specify the severity of joint involvement and any surgical history related to the knee.

Rheumatology

Documentation Requirements

Rheumatologic documentation must include inflammation markers (e.g., ESR, CRP) and assessments of disease activity to evaluate the impact of arthropathy.

Common Clinical Scenarios

Patients may exhibit autoimmune symptoms post-surgery, necessitating treatment with DMARDs or biologics.

Billing Considerations

Consideration of systemic involvement and monitoring for disease progression is essential.

Physical Medicine

Documentation Requirements

Functional assessments should document mobility limitations and rehabilitation needs, including physical therapy evaluations.

Common Clinical Scenarios

Patients may require rehabilitation post-surgery to restore knee function and mobility.

Billing Considerations

Assessment of assistive device needs and functional independence is crucial.

Coding Guidelines

Inclusion Criteria

Use M02.06 When
  • Follow official coding guidelines for laterality (right, left, bilateral), severity (mild, moderate, severe), and encounter type (initial, subsequent, sequela)
  • Ensure accurate documentation of the surgical history and any related conditions

Exclusion Criteria

Do NOT use M02.06 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 aspiration in patients with swelling post-bypass surgery.

Documentation Requirements

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

Specialty Considerations

Orthopedic considerations for joint health and rheumatologic implications for 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 post-surgical complications 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-surgical complications 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-surgical complications and their management.

Resources

Clinical References

  • •
    American Academy of Orthopaedic Surgeons Guidelines
  • •
    American College of Rheumatology Criteria

Coding & Billing References

  • •
    American Academy of Orthopaedic Surgeons Guidelines
  • •
    American College of Rheumatology Criteria

Frequently Asked Questions

What are the common causes of arthropathy following intestinal bypass?

Common causes include metabolic changes leading to nutrient deficiencies, inflammatory responses triggered by surgery, and altered biomechanics due to weight loss.