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ICD-10 Guide
ICD-10 CodesM67.27

M67.27

Billable

Synovial hypertrophy, not elsewhere classified, ankle and foot

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

Code Description

ICD-10 M67.27 is a billable code used to indicate a diagnosis of synovial hypertrophy, not elsewhere classified, ankle and foot.

Key Diagnostic Point:

Synovial hypertrophy refers to the abnormal enlargement of the synovial membrane, which lines the joints and tendon sheaths. In the context of the ankle and foot, this condition can result from various underlying issues, including inflammatory diseases, repetitive trauma, or degenerative changes. Patients may present with symptoms such as joint swelling, pain, and limited range of motion. The condition is often associated with tenosynovitis, where inflammation occurs in the synovial sheath surrounding a tendon, leading to pain and dysfunction. Synovial hypertrophy can also be a precursor to tendon ruptures, as the increased pressure and inflammation can weaken the tendon structure. Surgical interventions may be necessary to address severe cases, including synovectomy or tendon repair, depending on the extent of damage and the underlying cause. Accurate diagnosis and management are crucial to prevent further complications and restore function.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiating between various types of synovial disorders
  • Identifying the underlying cause of synovial hypertrophy
  • Documenting associated conditions such as tenosynovitis or tendon ruptures
  • Understanding the implications of surgical interventions

Audit Risk Factors

  • Inadequate documentation of the clinical findings
  • Failure to specify the location of the hypertrophy
  • Misclassification of the condition as a more common diagnosis
  • Lack of clarity regarding associated procedures or treatments

Specialty Focus

Medical Specialties

Orthopedics

Documentation Requirements

Detailed descriptions of physical examination findings, imaging results, and treatment plans.

Common Clinical Scenarios

Patients presenting with joint pain and swelling, often following an injury or chronic overuse.

Billing Considerations

Ensure that all relevant imaging studies are documented to support the diagnosis.

Rheumatology

Documentation Requirements

Comprehensive assessment of inflammatory markers and patient history related to autoimmune conditions.

Common Clinical Scenarios

Patients with systemic inflammatory diseases presenting with joint swelling and pain.

Billing Considerations

Documenting the relationship between systemic conditions and localized synovial hypertrophy is crucial.

Coding Guidelines

Inclusion Criteria

Use M67.27 When
  • Follow the official ICD
  • CM coding guidelines, ensuring that the diagnosis is supported by clinical documentation
  • Include details about the location and nature of the hypertrophy, and any associated conditions

Exclusion Criteria

Do NOT use M67.27 When
  • Exclude conditions that are specifically classified elsewhere

Related ICD-10 Codes

Related CPT Codes

20610CPT Code

Arthrocentesis, aspiration and/or injection into a major joint or bursa

Clinical Scenario

Used when performing joint aspiration to relieve swelling associated with synovial hypertrophy.

Documentation Requirements

Document the indication for the procedure, including the diagnosis and findings.

Specialty Considerations

Orthopedic specialists should ensure that imaging studies are referenced in the documentation.

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 data collection and reimbursement processes. This specificity helps in better tracking of treatment outcomes and resource utilization.

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 data collection and reimbursement processes. This specificity helps in better tracking of treatment outcomes and resource utilization.

Reimbursement & Billing Impact

reimbursement processes. This specificity helps in better tracking of treatment outcomes and resource utilization.

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 the primary cause of synovial hypertrophy?

Synovial hypertrophy can be caused by various factors, including inflammatory conditions, repetitive stress, and degenerative changes in the joint or tendon.