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ICD-10 Guide
ICD-10 CodesM61.47

M61.47

Billable

Other calcification of muscle, ankle and foot

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

Code Description

ICD-10 M61.47 is a billable code used to indicate a diagnosis of other calcification of muscle, ankle and foot.

Key Diagnostic Point:

M61.47 refers to the condition characterized by abnormal calcification in the muscles of the ankle and foot. This condition can arise from various underlying causes, including metabolic disorders, trauma, or chronic inflammation. Calcification in muscle tissue can lead to stiffness, pain, and reduced mobility, significantly impacting a patient's quality of life. In some cases, it may be associated with myositis, where inflammation of the muscle tissue occurs, leading to muscle weakness and discomfort. The calcification process can disrupt normal muscle function, potentially resulting in neuromuscular conditions that affect coordination and strength. Diagnosis typically involves imaging studies, such as X-rays or MRI, to visualize the calcified areas and assess their impact on surrounding structures. Treatment may include physical therapy, pain management, and addressing any underlying conditions contributing to the calcification.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variety of underlying causes leading to calcification
  • Differentiation from other muscle disorders
  • Need for precise documentation of symptoms and imaging results
  • Potential overlap with other ICD-10 codes related to muscle disorders

Audit Risk Factors

  • Inadequate documentation of the underlying cause of calcification
  • Failure to specify the affected muscle group
  • Misinterpretation of imaging results
  • Lack of correlation between clinical findings and diagnosis

Specialty Focus

Medical Specialties

Rheumatology

Documentation Requirements

Detailed history of symptoms, imaging reports, and treatment plans.

Common Clinical Scenarios

Patients presenting with joint pain and muscle stiffness.

Billing Considerations

Ensure that all relevant autoimmune conditions are documented.

Orthopedics

Documentation Requirements

Surgical notes, imaging studies, and physical examination findings.

Common Clinical Scenarios

Post-traumatic calcification following ankle or foot injuries.

Billing Considerations

Document any surgical interventions or physical therapy outcomes.

Coding Guidelines

Inclusion Criteria

Use M61.47 When
  • According to ICD
  • 10 guidelines, M61
  • 47 should be used when there is clear documentation of calcification in the muscle of the ankle and foot, with a specified cause if known
  • It is important to differentiate from other muscle disorders and ensure that the calcification is not a result of a systemic condition

Exclusion Criteria

Do NOT use M61.47 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

73030CPT Code

Radiologic examination, ankle

Clinical Scenario

Used to confirm calcification in the ankle muscles.

Documentation Requirements

Include imaging reports and clinical findings.

Specialty Considerations

Orthopedic specialists should document the rationale for imaging.

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 M61.47, improving the accuracy of data collection and reimbursement processes. This specificity helps in better understanding the prevalence and treatment outcomes of muscle calcification conditions.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of conditions like M61.47, improving the accuracy of data collection and reimbursement processes. This specificity helps in better understanding the prevalence and treatment outcomes of muscle calcification conditions.

Reimbursement & Billing Impact

reimbursement processes. This specificity helps in better understanding the prevalence and treatment outcomes of muscle calcification conditions.

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 muscle calcification?

Common causes include metabolic disorders, trauma, chronic inflammation, and certain systemic diseases. Each case should be evaluated individually to determine the underlying cause.