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ICD-10 Guide
ICD-10 CodesM61.229

M61.229

Billable

Paralytic calcification and ossification of muscle, unspecified upper arm

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

Code Description

ICD-10 M61.229 is a billable code used to indicate a diagnosis of paralytic calcification and ossification of muscle, unspecified upper arm.

Key Diagnostic Point:

Paralytic calcification and ossification of muscle, particularly in the upper arm, refers to the abnormal deposition of calcium salts and bone-like material in muscle tissue due to paralysis. This condition often arises from prolonged immobility or disuse of the affected muscle, leading to muscle atrophy and subsequent calcification. The upper arm is a common site for this condition, especially in patients with neuromuscular disorders, stroke, or severe trauma. The calcification can lead to stiffness, pain, and decreased range of motion, significantly impacting the patient's quality of life. Diagnosis typically involves imaging studies such as X-rays or MRI to visualize the calcified areas. Treatment may include physical therapy, pain management, and in some cases, surgical intervention to remove the calcified tissue. Understanding the underlying causes, such as myositis or other muscle disorders, is crucial for effective management and prevention of further complications.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiating between calcification due to paralysis versus other causes.
  • Need for precise documentation of the affected muscle and extent of calcification.
  • Potential overlap with other muscle disorders, requiring careful coding.
  • Variability in clinical presentation and treatment approaches.

Audit Risk Factors

  • Inadequate documentation of the cause of paralysis.
  • Failure to specify the exact location of calcification.
  • Lack of imaging studies to support the diagnosis.
  • Misinterpretation of muscle weakness as a primary diagnosis.

Specialty Focus

Medical Specialties

Neurology

Documentation Requirements

Detailed neurological assessment and history of muscle weakness or paralysis.

Common Clinical Scenarios

Patients with stroke or traumatic brain injury leading to upper arm paralysis.

Billing Considerations

Consideration of comorbid conditions affecting muscle function.

Physical Medicine and Rehabilitation

Documentation Requirements

Comprehensive rehabilitation plan and progress notes detailing muscle function.

Common Clinical Scenarios

Rehabilitation of patients post-surgery or after prolonged immobilization.

Billing Considerations

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

Coding Guidelines

Inclusion Criteria

Use M61.229 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 outcomes

Exclusion Criteria

Do NOT use M61.229 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.

Documentation Requirements

Documentation of the patient's progress and specific exercises performed.

Specialty Considerations

Physical therapy notes should detail the impact of calcification on mobility.

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 calcification and ossification, improving the accuracy of diagnoses and treatment tracking.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of muscle disorders, including calcification and ossification, improving the accuracy of diagnoses and treatment tracking.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of muscle disorders, including calcification and ossification, improving the accuracy of diagnoses and treatment tracking.

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 disuse or paralysis of the muscle, leading to abnormal calcium deposition in the affected area.