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ICD-10 Guide
ICD-10 CodesM61.23

M61.23

Billable

Paralytic calcification and ossification of muscle, forearm

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

Code Description

ICD-10 M61.23 is a billable code used to indicate a diagnosis of paralytic calcification and ossification of muscle, forearm.

Key Diagnostic Point:

Paralytic calcification and ossification of muscle in the forearm is a condition characterized by the abnormal deposition of calcium salts and bone-like tissue in the muscle, typically following a period of disuse or paralysis. This condition often arises in patients with neuromuscular disorders, where muscle weakness leads to immobility. The forearm muscles, which are crucial for hand and wrist function, may undergo these changes due to prolonged inactivity or neurological impairment. Clinically, patients may present with stiffness, pain, and reduced range of motion in the affected area. Diagnosis is often confirmed through imaging studies, such as X-rays or MRI, which reveal calcified areas within the muscle tissue. Treatment may involve physical therapy, pain management, and in some cases, surgical intervention to remove calcified deposits. Understanding the underlying neuromuscular conditions contributing to this disorder is essential for effective management and rehabilitation.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Requires understanding of muscle pathology and neuromuscular conditions.
  • Differentiation from other muscle disorders can be challenging.
  • Documentation must clearly indicate the relationship between paralysis and calcification.
  • Potential for co-morbid conditions that may complicate coding.

Audit Risk Factors

  • Inadequate documentation of the underlying cause of paralysis.
  • Failure to specify the affected muscle group.
  • Misinterpretation of imaging results leading to incorrect coding.
  • Lack of clarity in treatment plans related to the condition.

Specialty Focus

Medical Specialties

Neurology

Documentation Requirements

Detailed neurological assessment and history of muscle weakness.

Common Clinical Scenarios

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

Billing Considerations

Ensure documentation reflects the duration of paralysis and any rehabilitation efforts.

Physical Medicine and Rehabilitation

Documentation Requirements

Comprehensive rehabilitation plans and progress notes.

Common Clinical Scenarios

Patients undergoing rehabilitation post-injury or surgery with muscle calcification.

Billing Considerations

Document functional limitations and goals for therapy to support coding.

Coding Guidelines

Inclusion Criteria

Use M61.23 When
  • Follow official ICD
  • 10 coding guidelines, ensuring accurate documentation of the condition's etiology and any associated neuromuscular disorders
  • Include specific details about the affected muscle group and the patient's functional status

Exclusion Criteria

Do NOT use M61.23 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

97110CPT Code

Therapeutic exercises

Clinical Scenario

Used in rehabilitation of patients with muscle calcification.

Documentation Requirements

Document specific exercises performed and patient progress.

Specialty Considerations

Physical therapy notes should correlate with the diagnosis for proper billing.

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 M61.23, which enhances the ability to capture the complexity of muscle calcification and its relationship to paralysis.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of muscle disorders, including M61.23, which enhances the ability to capture the complexity of muscle calcification and its relationship to paralysis.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of muscle disorders, including M61.23, which enhances the ability to capture the complexity of muscle calcification and its relationship to paralysis.

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 prolonged disuse of muscles, often due to neurological conditions that lead to muscle weakness or paralysis.