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ICD-10 Guide
ICD-10 CodesM61.242

M61.242

Billable

Paralytic calcification and ossification of muscle, left hand

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

Code Description

ICD-10 M61.242 is a billable code used to indicate a diagnosis of paralytic calcification and ossification of muscle, left hand.

Key Diagnostic Point:

Paralytic calcification and ossification of muscle, specifically in the left hand, refers to the pathological process where muscle tissue undergoes abnormal mineralization and hardening due to paralysis. This condition often arises from prolonged immobility or disuse of the affected muscle, leading to the deposition of calcium salts in the muscle fibers. The calcification can result in stiffness, pain, and reduced range of motion, significantly impacting the patient's functional abilities. It is commonly associated with neuromuscular disorders, where muscle weakness and atrophy occur due to nerve damage or dysfunction. In cases of myositis, inflammation of the muscle tissue can also contribute to the development of calcification. Clinicians must assess the underlying causes, such as previous trauma, neurological conditions, or systemic diseases, to provide appropriate treatment and rehabilitation strategies. Diagnosis typically involves imaging studies, such as X-rays or MRI, to visualize the extent of calcification and assess muscle integrity.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Requires understanding of muscle pathology and neuromuscular conditions
  • Differentiation from other muscle disorders
  • Need for precise documentation of location and extent of calcification
  • Potential overlap with other ICD-10 codes related to muscle disorders

Audit Risk Factors

  • Inadequate documentation of the underlying cause of paralysis
  • Failure to specify the exact location of calcification
  • Misuse of related codes that do not accurately reflect the condition
  • Lack of imaging studies to support the diagnosis

Specialty Focus

Medical Specialties

Neurology

Documentation Requirements

Detailed neurological examination findings, imaging results, and treatment plans.

Common Clinical Scenarios

Patients with neuromuscular disorders presenting with muscle weakness and calcification.

Billing Considerations

Ensure comprehensive documentation of neurological assessments and any associated conditions.

Physical Medicine and Rehabilitation

Documentation Requirements

Functional assessments, rehabilitation goals, and progress notes.

Common Clinical Scenarios

Rehabilitation of patients post-stroke or with neuromuscular diseases leading to muscle calcification.

Billing Considerations

Document the impact of calcification on mobility and rehabilitation outcomes.

Coding Guidelines

Inclusion Criteria

Use M61.242 When
  • Follow official ICD
  • 10 coding guidelines, ensuring accurate documentation of the condition's etiology and location
  • Include any relevant comorbidities that may affect treatment and recovery

Exclusion Criteria

Do NOT use M61.242 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

97110CPT Code

Therapeutic exercises

Clinical Scenario

Used in rehabilitation for patients with muscle calcification to improve strength and mobility.

Documentation Requirements

Document the type and duration of exercises performed.

Specialty Considerations

Physical therapy notes should reflect the patient's progress and response to treatment.

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 M61.242, improving the granularity of data for research and treatment outcomes. It emphasizes the importance of precise documentation in clinical practice.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of conditions like M61.242, improving the granularity of data for research and treatment outcomes. It emphasizes the importance of precise documentation in clinical practice.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of conditions like M61.242, improving the granularity of data for research and treatment outcomes. It emphasizes the importance of precise documentation in clinical practice.

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 immobilization, neurological disorders, and inflammatory conditions affecting muscle tissue.

How is M61.242 diagnosed?

Diagnosis is typically made through clinical evaluation, imaging studies, and exclusion of other muscle disorders.

What treatments are available for this condition?

Treatment may include physical therapy, pain management, and addressing the underlying cause of paralysis.