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 CodesM61.239

M61.239

Billable

Paralytic calcification and ossification of muscle, unspecified forearm

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

Code Description

ICD-10 M61.239 is a billable code used to indicate a diagnosis of paralytic calcification and ossification of muscle, unspecified forearm.

Key Diagnostic Point:

Paralytic calcification and ossification of muscle refers to the pathological process where calcium deposits form in muscle tissue, often as a result of immobilization or disuse following a neurological event such as stroke or spinal cord injury. This condition can lead to muscle stiffness, decreased range of motion, and functional impairment. In the case of the forearm, the muscles affected may include the flexors and extensors, which are crucial for wrist and hand movements. The calcification can be a secondary complication of myositis, where inflammation of the muscle tissue occurs, leading to muscle weakness and atrophy. The condition is often diagnosed through imaging studies, such as X-rays or MRI, which reveal the presence of calcified areas within the muscle. Treatment may involve physical therapy, medications to manage pain and inflammation, and in some cases, surgical intervention to remove the calcified tissue. Understanding the underlying neuromuscular conditions that contribute to this disorder is essential for effective management and rehabilitation.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiating between calcification due to paralysis versus other causes.
  • Need for precise documentation of muscle involvement and location.
  • Potential overlap with other muscle disorders like myositis.
  • Variability in clinical presentation and severity.

Audit Risk Factors

  • Inadequate documentation of the clinical rationale for the diagnosis.
  • Failure to include imaging results that support the diagnosis.
  • Lack of detailed descriptions of muscle weakness or functional impairment.
  • Misclassification of the condition due to overlapping symptoms with other muscle disorders.

Specialty Focus

Medical Specialties

Neurology

Documentation Requirements

Detailed neurological assessment, imaging results, and treatment plans.

Common Clinical Scenarios

Patients with stroke or spinal cord injury presenting with muscle stiffness and weakness.

Billing Considerations

Documentation must clearly link the neurological condition to the muscle calcification.

Physical Medicine and Rehabilitation

Documentation Requirements

Functional assessments, therapy progress notes, and treatment goals.

Common Clinical Scenarios

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

Billing Considerations

Focus on functional outcomes and the impact of calcification on rehabilitation.

Coding Guidelines

Inclusion Criteria

Use M61.239 When
  • According to ICD
  • 10 coding guidelines, this code should be used when the specific muscle group affected is not documented
  • Coders should ensure that the diagnosis is supported by clinical findings and imaging studies

Exclusion Criteria

Do NOT use M61.239 When
  • Exclusion criteria include conditions that are not related to paralysis or immobilization

Related ICD-10 Codes

Related CPT Codes

97110CPT Code

Therapeutic exercises

Clinical Scenario

Used in rehabilitation of patients with muscle calcification.

Documentation Requirements

Documentation of the patient's functional limitations and therapy goals.

Specialty Considerations

Physical therapy notes should detail the specific exercises and progress.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of muscle disorders, including paralytic calcification. This specificity aids in better tracking of patient outcomes and resource allocation in rehabilitation settings.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of muscle disorders, including paralytic calcification. This specificity aids in better tracking of patient outcomes and resource allocation in rehabilitation settings.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of muscle disorders, including paralytic calcification. This specificity aids in better tracking of patient outcomes and resource allocation in rehabilitation settings.

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 paralytic calcification?

Paralytic calcification is primarily caused by immobilization or disuse of muscles following a neurological event, leading to calcium deposits in the muscle tissue.