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ICD-10 Guide
ICD-10 CodesM61.562

M61.562

Billable

Other ossification of muscle, left lower leg

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

Code Description

ICD-10 M61.562 is a billable code used to indicate a diagnosis of other ossification of muscle, left lower leg.

Key Diagnostic Point:

M61.562 refers to a condition characterized by abnormal bone formation within the muscle tissue of the left lower leg. This ossification can occur due to various factors, including trauma, repetitive stress, or certain myopathies. The condition may lead to muscle stiffness, pain, and reduced range of motion, significantly impacting the patient's mobility and quality of life. In some cases, it may be associated with myositis, where inflammation of the muscle tissue occurs, potentially complicating the clinical picture. Diagnosis typically involves imaging studies such as X-rays or MRI to visualize the ossified areas and differentiate them from other muscle disorders. Treatment may include physical therapy, pain management, and in severe cases, surgical intervention to remove the ossified tissue. Understanding the underlying causes and associated conditions is crucial for effective management and coding.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiation from other muscle disorders
  • Need for precise documentation of location and extent of ossification
  • Potential overlap with myositis and other neuromuscular conditions
  • Variability in clinical presentation and treatment approaches

Audit Risk Factors

  • Inadequate documentation of clinical findings
  • Failure to specify the exact location of ossification
  • Misclassification with other muscle disorders
  • Lack of imaging results 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 limited mobility in the left lower leg due to ossification.

Billing Considerations

Ensure that all relevant imaging studies are included in the documentation to support the diagnosis.

Rheumatology

Documentation Requirements

Comprehensive assessment of muscle inflammation and associated systemic symptoms.

Common Clinical Scenarios

Patients with myositis who also exhibit signs of muscle ossification.

Billing Considerations

Document any autoimmune markers or inflammatory indicators that may relate to the condition.

Coding Guidelines

Inclusion Criteria

Use M61.562 When
  • According to ICD
  • 10 guidelines, M61
  • 562 should be used when there is clear documentation of ossification in the left lower leg muscle
  • It is essential to include any relevant clinical findings and imaging results to support the diagnosis

Exclusion Criteria

Do NOT use M61.562 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 joint pain is associated with muscle ossification.

Documentation Requirements

Document the reason for the procedure and any imaging findings.

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 M61.562, improving the accuracy of data collection and reimbursement processes. It has also facilitated better tracking of muscle disorders and their treatment outcomes.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of conditions like M61.562, improving the accuracy of data collection and reimbursement processes. It has also facilitated better tracking of muscle disorders and their treatment outcomes.

Reimbursement & Billing Impact

reimbursement processes. It has also facilitated better tracking of muscle disorders and their treatment outcomes.

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 symptoms of ossification of muscle?

Common symptoms include pain, stiffness, and reduced range of motion in the affected muscle area, often leading to functional impairment.