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 CodesM67.279

M67.279

Billable

Synovial hypertrophy, not elsewhere classified, unspecified ankle and foot

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/17/2025

Code Description

ICD-10 M67.279 is a billable code used to indicate a diagnosis of synovial hypertrophy, not elsewhere classified, unspecified ankle and foot.

Key Diagnostic Point:

Synovial hypertrophy refers to the abnormal enlargement of the synovial membrane, which lines the joints and tendon sheaths. This condition can occur in various joints, including the ankle and foot, and is often associated with inflammatory processes. In the context of the ankle and foot, synovial hypertrophy may result from chronic conditions such as rheumatoid arthritis, gout, or repetitive stress injuries. Patients may present with swelling, pain, and limited range of motion in the affected joints. The diagnosis typically involves clinical examination, imaging studies such as ultrasound or MRI, and sometimes synovial fluid analysis. Treatment may include anti-inflammatory medications, physical therapy, and in some cases, surgical intervention to remove the hypertrophied tissue. Accurate coding is essential for proper management and reimbursement, as it reflects the complexity of the patient's condition and the care provided.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in clinical presentation and underlying causes
  • Need for comprehensive documentation to support diagnosis
  • Potential overlap with other synovial disorders
  • Requirement for imaging studies to confirm diagnosis

Audit Risk Factors

  • Insufficient documentation of clinical findings
  • Lack of imaging studies to support diagnosis
  • Inconsistent coding of related conditions
  • Failure to document treatment plans or responses

Specialty Focus

Medical Specialties

Rheumatology

Documentation Requirements

Detailed clinical notes on joint examination, imaging results, and treatment plans.

Common Clinical Scenarios

Patients with chronic inflammatory arthritis presenting with joint swelling.

Billing Considerations

Ensure that the underlying cause of synovial hypertrophy is documented to support the diagnosis.

Orthopedics

Documentation Requirements

Surgical notes, pre-operative assessments, and post-operative follow-ups.

Common Clinical Scenarios

Patients undergoing surgical repair of tendon ruptures associated with synovial hypertrophy.

Billing Considerations

Document any surgical interventions and their outcomes to justify coding.

Coding Guidelines

Inclusion Criteria

Use M67.279 When
  • Follow official ICD
  • 10 coding guidelines, ensuring that the diagnosis is supported by clinical documentation
  • Include any relevant imaging studies and treatment plans

Exclusion Criteria

Do NOT use M67.279 When
  • Exclude conditions that are more specifically classified under other codes

Related ICD-10 Codes

Related CPT Codes

20610CPT Code

Arthrocentesis, aspiration of a major joint or bursa

Clinical Scenario

Used when performing joint aspiration for diagnostic purposes.

Documentation Requirements

Document the reason for aspiration and findings.

Specialty Considerations

Rheumatologists often perform this procedure for synovial fluid analysis.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of conditions like synovial hypertrophy, improving the accuracy of patient records and reimbursement processes.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of conditions like synovial hypertrophy, improving the accuracy of patient records and reimbursement processes.

Reimbursement & Billing Impact

reimbursement processes.

Resources

Clinical References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Coding & Billing References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Frequently Asked Questions

What is synovial hypertrophy?

Synovial hypertrophy is the abnormal enlargement of the synovial membrane, often due to inflammation or irritation, leading to joint swelling and pain.