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ICD-10 Guide
ICD-10 CodesM61.572

M61.572

Billable

Other ossification of muscle, left ankle and foot

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

Code Description

ICD-10 M61.572 is a billable code used to indicate a diagnosis of other ossification of muscle, left ankle and foot.

Key Diagnostic Point:

M61.572 refers to a condition characterized by abnormal ossification or calcification of muscle tissue in the left ankle and foot. This condition can occur due to various factors, including trauma, prolonged immobilization, or certain metabolic disorders. The ossification process can lead to stiffness, pain, and reduced range of motion in the affected area, significantly impacting the patient's mobility and quality of life. Clinically, patients may present with localized swelling, tenderness, and muscle weakness, which can be exacerbated by physical activity. Diagnosis typically involves imaging studies such as X-rays or MRI to visualize the extent of ossification and rule out other conditions such as myositis or neuromuscular disorders. Treatment may include physical therapy, pain management, and in some cases, surgical intervention to remove the ossified tissue. Understanding the underlying causes and appropriate management strategies is crucial for effective treatment and rehabilitation.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiating from other muscle disorders such as myositis.
  • Need for precise documentation of the location and extent of ossification.
  • Potential overlap with other ICD-10 codes related to muscle and connective tissue disorders.
  • Variability in clinical presentation and treatment approaches.

Audit Risk Factors

  • Inadequate documentation of the clinical findings.
  • Failure to provide imaging results that support the diagnosis.
  • Misclassification of the condition as a different muscle disorder.
  • Lack of detailed treatment plans in the medical record.

Specialty Focus

Medical Specialties

Orthopedics

Documentation Requirements

Detailed notes on physical examination findings, imaging results, and treatment plans.

Common Clinical Scenarios

Patients presenting with pain and stiffness in the left ankle and foot, particularly after trauma or surgery.

Billing Considerations

Orthopedic specialists should ensure that all relevant imaging studies are included in the documentation to support the diagnosis.

Physical Medicine and Rehabilitation

Documentation Requirements

Comprehensive assessment of functional limitations and rehabilitation goals.

Common Clinical Scenarios

Patients requiring rehabilitation after surgery for ossification removal or those with chronic pain and mobility issues.

Billing Considerations

Focus on documenting the impact of the condition on the patient's daily activities and quality of life.

Coding Guidelines

Inclusion Criteria

Use M61.572 When
  • According to the official coding guidelines, M61
  • 572 should be used when there is clear documentation of ossification in the left ankle and foot
  • It is important to ensure that the diagnosis is supported by imaging studies and that the clinical context is well
  • documented

Exclusion Criteria

Do NOT use M61.572 When
  • Exclusion criteria include conditions that do not involve ossification

Related ICD-10 Codes

Related CPT Codes

20610CPT Code

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

Clinical Scenario

Used when a patient with M61.572 requires aspiration of fluid due to inflammation.

Documentation Requirements

Document the reason for the procedure, findings, and any therapeutic interventions.

Specialty Considerations

Orthopedic specialists should ensure that the procedure is justified based on clinical findings.

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 M61.572, improving the accuracy of patient records and facilitating better treatment planning. It has also increased the need for detailed documentation to support the specificity of the diagnosis.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of conditions like M61.572, improving the accuracy of patient records and facilitating better treatment planning. It has also increased the need for detailed documentation to support the specificity of the diagnosis.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of conditions like M61.572, improving the accuracy of patient records and facilitating better treatment planning. It has also increased the need for detailed documentation to support the specificity of the diagnosis.

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 are the common causes of ossification of muscle?

Common causes include trauma, prolonged immobilization, and certain metabolic disorders. Conditions such as myositis can also lead to secondary ossification.