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ICD-10 Guide
ICD-10 CodesM61.079

M61.079

Billable

Myositis ossificans traumatica, unspecified ankle and foot

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

Code Description

ICD-10 M61.079 is a billable code used to indicate a diagnosis of myositis ossificans traumatica, unspecified ankle and foot.

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 can occur in various locations, including the ankle and foot, and is often a result of direct injury, such as fractures, contusions, or surgical interventions. The process begins with muscle inflammation (myositis) due to trauma, which 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 typically involves imaging studies, such as X-rays or MRI, to visualize the calcified areas. Treatment may include physical therapy, pain management, and in some cases, surgical intervention to remove the ossified tissue. The unspecified nature of this code indicates that the specific location of the ossification within the ankle and foot is not detailed, which may complicate treatment and management strategies.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Unspecified location may lead to ambiguity in treatment planning.
  • Requires correlation with clinical findings and imaging results.
  • Potential for misclassification with other myositis conditions.
  • Documentation must clearly indicate the traumatic nature of the condition.

Audit Risk Factors

  • Inadequate documentation of trauma history.
  • Failure to provide imaging results supporting the diagnosis.
  • Misuse of unspecified codes leading to potential denials.
  • Lack of clarity in distinguishing from other myositis types.

Specialty Focus

Medical Specialties

Orthopedics

Documentation Requirements

Detailed history of trauma, imaging results, and treatment plans.

Common Clinical Scenarios

Post-traumatic cases following fractures or soft tissue injuries.

Billing Considerations

Ensure clear documentation of the traumatic event and its relation to the ossification.

Physical Medicine and Rehabilitation

Documentation Requirements

Functional assessments, treatment progress notes, and rehabilitation plans.

Common Clinical Scenarios

Patients undergoing rehabilitation post-injury with myositis ossificans.

Billing Considerations

Document functional limitations and response to therapy to support ongoing treatment.

Coding Guidelines

Inclusion Criteria

Use M61.079 When
  • Follow official ICD
  • CM coding guidelines, ensuring accurate documentation of the traumatic event leading to myositis ossificans
  • Include any relevant imaging studies and clinical findings that support the diagnosis

Exclusion Criteria

Do NOT use M61.079 When
  • Exclude conditions that may mimic myositis ossificans, such as infections or tumors

Related ICD-10 Codes

Related CPT Codes

20610CPT Code

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

Clinical Scenario

Used for pain management in cases of myositis ossificans.

Documentation Requirements

Document the indication for the procedure and any imaging findings.

Specialty Considerations

Orthopedic specialists may frequently 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 conditions like myositis ossificans, improving the accuracy of data collection and reimbursement processes. The specificity of ICD-10 codes helps in better tracking of treatment outcomes and resource allocation.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of conditions like myositis ossificans, improving the accuracy of data collection and reimbursement processes. The specificity of ICD-10 codes helps in better tracking of treatment outcomes and resource allocation.

Reimbursement & Billing Impact

reimbursement processes. The specificity of ICD-10 codes helps in better tracking of treatment outcomes and resource allocation.

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 myositis ossificans traumatica?

Myositis ossificans traumatica is a condition where bone tissue forms in muscle or connective tissue due to trauma, leading to pain and functional impairment.

How is myositis ossificans diagnosed?

Diagnosis is typically made through clinical evaluation and imaging studies, such as X-rays or MRI, which reveal calcification in the affected muscle.

What are the treatment options for myositis ossificans?

Treatment may include physical therapy, pain management, and in some cases, surgical intervention to remove the ossified tissue.