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ICD-10 Guide
ICD-10 CodesM61.0

M61.0

Billable

Myositis ossificans traumatica

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

Code Description

ICD-10 M61.0 is a billable code used to indicate a diagnosis of myositis ossificans traumatica.

Key Diagnostic Point:

Myositis ossificans traumatica is a condition characterized by the abnormal formation of bone tissue within muscle or connective tissue following trauma. This condition typically arises after a significant injury, such as a fracture or severe contusion, leading to inflammation and subsequent calcification of the affected muscle. The process begins with muscle damage, which triggers an inflammatory response. Over time, this inflammation can lead to the deposition of calcium salts in the muscle tissue, resulting in ossification. Patients may experience symptoms such as localized pain, swelling, and decreased range of motion in the affected area. Diagnosis is often confirmed through imaging studies, such as X-rays or MRI, which reveal the presence of calcified masses within the muscle. Treatment may involve physical therapy, pain management, and in some cases, surgical intervention to remove the ossified tissue. Understanding myositis ossificans traumatica is crucial for healthcare providers, as it can significantly impact a patient's recovery and rehabilitation process.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Requires understanding of trauma-related conditions
  • Differentiation from other types of myositis
  • Need for accurate documentation of the traumatic event
  • Potential for overlapping symptoms with other musculoskeletal disorders

Audit Risk Factors

  • Inadequate documentation of the traumatic event
  • Failure to specify the location of ossification
  • Misclassification with other myositis types
  • Lack of imaging reports to support diagnosis

Specialty Focus

Medical Specialties

Orthopedics

Documentation Requirements

Detailed notes on the mechanism of injury, imaging results, and treatment plans.

Common Clinical Scenarios

Post-traumatic cases following fractures or severe muscle contusions.

Billing Considerations

Ensure clear documentation of the timeline from injury to diagnosis.

Physical Medicine and Rehabilitation

Documentation Requirements

Comprehensive rehabilitation plans and progress notes.

Common Clinical Scenarios

Patients undergoing rehabilitation after surgery for myositis ossificans.

Billing Considerations

Document functional limitations and response to therapy.

Coding Guidelines

Inclusion Criteria

Use M61.0 When
  • Follow official ICD
  • 10 coding guidelines, ensuring accurate documentation of the traumatic event and the specific muscle affected
  • Include any relevant imaging studies and treatment plans in the medical record

Exclusion Criteria

Do NOT use M61.0 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 when aspiration is needed for symptomatic relief in cases of myositis ossificans.

Documentation Requirements

Document the indication for the procedure and the patient's response.

Specialty Considerations

Orthopedic specialists often perform this procedure.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of myositis ossificans, improving the accuracy of data collection and reimbursement processes. It emphasizes the need for detailed documentation of the traumatic event leading to the condition.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of myositis ossificans, improving the accuracy of data collection and reimbursement processes. It emphasizes the need for detailed documentation of the traumatic event leading to the condition.

Reimbursement & Billing Impact

reimbursement processes. It emphasizes the need for detailed documentation of the traumatic event leading to the condition.

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 myositis ossificans traumatica?

The primary cause is trauma to the muscle, which leads to inflammation and abnormal bone formation within the muscle tissue.

How is myositis ossificans diagnosed?

Diagnosis is typically made through a combination of patient history, physical examination, and imaging studies such as X-rays or MRI that reveal calcified areas within the muscle.