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ICD-10 Guide
ICD-10 CodesM24.2

M24.2

Billable

Disorder of ligament

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

Code Description

ICD-10 M24.2 is a billable code used to indicate a diagnosis of disorder of ligament.

Key Diagnostic Point:

Disorders of ligaments encompass a range of conditions affecting the connective tissues that stabilize joints. These disorders can arise from acute injuries, such as sprains or tears, or from chronic conditions resulting in degeneration. Internal derangements, such as meniscal tears, often accompany ligament injuries, particularly in the knee, where the anterior cruciate ligament (ACL) and posterior cruciate ligament (PCL) are frequently involved. These injuries can lead to instability, pain, and functional impairment. Arthroscopic procedures are commonly employed to diagnose and treat ligament disorders, allowing for minimally invasive interventions that can repair or reconstruct damaged ligaments. Accurate diagnosis often requires imaging studies, such as MRI, to assess the extent of the injury and to differentiate between ligamentous and meniscal damage. Treatment may include conservative management, such as physical therapy, or surgical intervention, depending on the severity of the injury and the patient's functional needs.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variety of ligament injuries and their presentations
  • Differentiation between acute and chronic conditions
  • Need for imaging studies to confirm diagnosis
  • Potential for co-existing meniscal injuries

Audit Risk Factors

  • Inadequate documentation of injury specifics
  • Failure to document imaging results
  • Misclassification of acute vs. chronic conditions
  • Omission of associated injuries

Specialty Focus

Medical Specialties

Orthopedic Surgery

Documentation Requirements

Detailed operative reports, imaging results, and pre/post-operative assessments.

Common Clinical Scenarios

ACL reconstruction, meniscal repair, and ligamentous instability evaluations.

Billing Considerations

Ensure clear documentation of the type of ligament injury and any associated procedures performed.

Physical Medicine and Rehabilitation

Documentation Requirements

Comprehensive assessments of functional limitations and treatment plans.

Common Clinical Scenarios

Rehabilitation following ligament injuries and post-surgical recovery.

Billing Considerations

Document the patient's progress and response to therapy to support ongoing treatment.

Coding Guidelines

Inclusion Criteria

Use M24.2 When
  • Follow official ICD
  • 10 coding guidelines, ensuring accurate documentation of the specific ligament involved and the nature of the injury
  • Include any relevant imaging studies and treatment plans

Exclusion Criteria

Do NOT use M24.2 When
  • Exclude conditions that do not specifically pertain to ligament disorders

Related ICD-10 Codes

Related CPT Codes

29888CPT Code

Arthroscopy, knee, surgical

Clinical Scenario

Used for ACL reconstruction or meniscal repair.

Documentation Requirements

Operative report detailing the procedure and findings.

Specialty Considerations

Orthopedic surgeons must document the specific ligaments involved and any associated procedures.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of ligament disorders, improving the accuracy of diagnoses and treatment documentation. This specificity aids in better tracking of outcomes and resource allocation in healthcare settings.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of ligament disorders, improving the accuracy of diagnoses and treatment documentation. This specificity aids in better tracking of outcomes and resource allocation in healthcare settings.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of ligament disorders, improving the accuracy of diagnoses and treatment documentation. This specificity aids in better tracking of outcomes and resource allocation in healthcare settings.

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 types of injuries are classified under M24.2?

M24.2 encompasses various ligament injuries, including sprains, tears, and chronic instability, affecting joints such as the knee and ankle.