ICD-10 Logo
ICDxICD-10 Medical Coding
ICD-10 Logo
ICDxICD-10 Medical Coding
ICD 10 CodesDiagnoses
ICD 10 CodesDiagnoses
ICD-10 Logo
ICDxICD-10 Medical Coding

Comprehensive ICD-10-CM code reference with AI-powered search capabilities.

© 2025 ICD Code Compass. All rights reserved.

Browse

  • All Chapters
  • All Categories
  • Diagnoses

Tools

  • AI Code Search
ICD-10-CM codes are maintained by the CDC and CMS. This tool is for reference purposes only.
v1.0.0
ICD-10 Guide
ICD-10 CodesM61.571

M61.571

Billable

Other ossification of muscle, right ankle and foot

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

Code Description

ICD-10 M61.571 is a billable code used to indicate a diagnosis of other ossification of muscle, right ankle and foot.

Key Diagnostic Point:

M61.571 refers to a condition characterized by abnormal bone formation within the muscle tissue of the right ankle and foot. This ossification can occur due to various factors, including trauma, prolonged immobilization, or certain neuromuscular disorders. The presence of ossified muscle can lead to pain, stiffness, and reduced mobility, significantly impacting the patient's quality of life. Clinically, this condition may be associated with myositis, which is inflammation of the muscle tissue, and can manifest as muscle weakness or dysfunction. Diagnosis typically involves imaging studies such as X-rays or MRI to visualize the ossified areas and differentiate them from other potential causes of muscle pain or weakness. Treatment may include physical therapy, pain management, and in some cases, surgical intervention to remove the ossified tissue if it severely limits function. 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
  • Lack of imaging studies to support the diagnosis
  • Misclassification with other muscle disorders

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 ankle and foot, particularly after trauma or prolonged immobilization.

Billing Considerations

Ensure clear documentation of the extent of ossification and any associated muscle weakness.

Rheumatology

Documentation Requirements

Comprehensive history of muscle symptoms, inflammatory markers, and response to treatment.

Common Clinical Scenarios

Patients with myositis or other inflammatory muscle conditions presenting with ossification.

Billing Considerations

Document any autoimmune markers and the patient's overall inflammatory status.

Coding Guidelines

Inclusion Criteria

Use M61.571 When
  • According to ICD
  • 10 guidelines, M61
  • 571 should be used when there is clear documentation of ossification in the specified location
  • It is important to ensure that the diagnosis is supported by imaging and clinical findings

Exclusion Criteria

Do NOT use M61.571 When
  • Exclusion criteria include conditions that do not involve ossification or are better classified under different muscle disorders

Related ICD-10 Codes

Related CPT Codes

20610CPT Code

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

Clinical Scenario

Used when treating associated joint pain due to muscle ossification.

Documentation Requirements

Document the reason for the procedure, including imaging findings.

Specialty Considerations

Orthopedic specialists should ensure clear linkage between the procedure and the diagnosis.

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 M61.571, improving the accuracy of data collection and reimbursement processes. This specificity 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 M61.571, improving the accuracy of data collection and reimbursement processes. This specificity helps in better tracking of treatment outcomes and resource allocation.

Reimbursement & Billing Impact

reimbursement processes. This specificity 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 the primary cause of ossification in muscle?

Ossification in muscle can be caused by trauma, prolonged immobilization, or certain neuromuscular disorders. It is important to evaluate the patient's history and any contributing factors.