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 CodesM61.28

M61.28

Billable

Paralytic calcification and ossification of muscle, other site

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

Code Description

ICD-10 M61.28 is a billable code used to indicate a diagnosis of paralytic calcification and ossification of muscle, other site.

Key Diagnostic Point:

Paralytic calcification and ossification of muscle refers to the abnormal deposition of calcium salts in muscle tissue, which can occur as a result of muscle paralysis. This condition is often associated with prolonged immobility or disuse of the affected muscle, leading to muscle weakness and atrophy. The calcification can result in stiffness, pain, and reduced range of motion, significantly impacting the patient's quality of life. It is important to differentiate this condition from other muscle disorders such as myositis, which involves inflammation of the muscle tissue. The diagnosis typically requires imaging studies, such as X-rays or MRI, to visualize the calcifications. Treatment may involve physical therapy, pain management, and in some cases, surgical intervention to remove the calcified tissue. Understanding the underlying neuromuscular conditions that may contribute to paralysis is crucial for effective management and prevention of further complications.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiation from other muscle disorders like myositis and muscular dystrophy
  • Need for precise documentation of the site and extent of calcification
  • Potential for co-existing conditions that may complicate coding
  • Variability in clinical presentation and imaging findings

Audit Risk Factors

  • Inadequate documentation of the site of calcification
  • Failure to document the underlying cause of paralysis
  • Misclassification of the condition as a different muscle disorder
  • Lack of imaging studies to support the diagnosis

Specialty Focus

Medical Specialties

Neurology

Documentation Requirements

Detailed neurological examination findings, imaging results, and history of muscle weakness or paralysis.

Common Clinical Scenarios

Patients with stroke or spinal cord injury leading to muscle paralysis and subsequent calcification.

Billing Considerations

Consideration of other neurological conditions that may contribute to muscle weakness.

Physical Medicine and Rehabilitation

Documentation Requirements

Comprehensive assessment of functional limitations, treatment plans, and progress notes.

Common Clinical Scenarios

Rehabilitation of patients post-surgery or injury with muscle disuse leading to calcification.

Billing Considerations

Focus on rehabilitation strategies to prevent further calcification and improve muscle function.

Coding Guidelines

Inclusion Criteria

Use M61.28 When
  • According to ICD
  • 10 coding guidelines, M61
  • 28 should be used when there is clear documentation of paralytic calcification and ossification of muscle at a specific site
  • Coders must ensure that the underlying cause of paralysis is also documented to support the diagnosis

Exclusion Criteria

Do NOT use M61.28 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

73030CPT Code

Radiologic examination, musculoskeletal system

Clinical Scenario

Used when imaging is performed to assess calcification in muscles.

Documentation Requirements

Radiology report detailing findings of calcification.

Specialty Considerations

Neurology and rehabilitation specialists should ensure imaging correlates with 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 M61.28, improving the granularity of data for research and treatment outcomes. This specificity aids in better understanding the prevalence and management of paralytic calcification.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of conditions like M61.28, improving the granularity of data for research and treatment outcomes. This specificity aids in better understanding the prevalence and management of paralytic calcification.

Reimbursement & Billing Impact

reimbursement.

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 paralytic calcification?

Common causes include prolonged immobility due to neurological conditions such as stroke, spinal cord injury, or severe muscular dystrophy. These conditions lead to muscle disuse, resulting in calcification.