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ICD-10 Guide
ICD-10 CodesM61.422

M61.422

Billable

Other calcification of muscle, left upper arm

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

Code Description

ICD-10 M61.422 is a billable code used to indicate a diagnosis of other calcification of muscle, left upper arm.

Key Diagnostic Point:

M61.422 refers to the condition characterized by abnormal calcification in the muscle tissue of the left upper arm. This condition can arise from various underlying causes, including trauma, inflammation, or metabolic disorders. Calcification in muscle tissue may lead to stiffness, pain, and reduced range of motion, impacting the patient's quality of life. It can be associated with myositis, a condition where muscle inflammation occurs, often leading to muscle weakness and discomfort. The calcification may be detected through imaging studies such as X-rays or MRI, which reveal the presence of calcium deposits within the muscle. Treatment typically focuses on managing symptoms and addressing the underlying cause, which may involve physical therapy, medications, or in some cases, surgical intervention. Understanding the etiology of the calcification is crucial for effective management and coding, as it may relate to broader neuromuscular conditions that require comprehensive care.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiating between types of muscle calcification
  • Understanding the underlying causes of calcification
  • Documenting associated symptoms and conditions accurately
  • Navigating related codes for myositis and muscle disorders

Audit Risk Factors

  • Inadequate documentation of symptoms and treatment
  • Failure to specify the location of calcification
  • Misinterpretation of imaging results
  • Lack of clarity on underlying conditions

Specialty Focus

Medical Specialties

Rheumatology

Documentation Requirements

Detailed history of symptoms, imaging results, and treatment plans.

Common Clinical Scenarios

Patients presenting with muscle pain and stiffness, particularly in the context of autoimmune disorders.

Billing Considerations

Ensure that all related conditions are documented to support the diagnosis.

Orthopedics

Documentation Requirements

Comprehensive assessment of muscle function, imaging studies, and treatment interventions.

Common Clinical Scenarios

Patients with calcification following trauma or surgery, requiring rehabilitation.

Billing Considerations

Documenting the functional impact of calcification on mobility and strength.

Coding Guidelines

Inclusion Criteria

Use M61.422 When
  • According to ICD
  • 10 guidelines, M61
  • 422 should be used when there is clear documentation of calcification in the left upper arm muscle
  • It is essential to include any relevant history of trauma, inflammation, or associated muscle disorders

Exclusion Criteria

Do NOT use M61.422 When
  • Exclusion criteria include conditions where calcification is a secondary effect of systemic diseases

Related ICD-10 Codes

Related CPT Codes

73030CPT Code

Radiologic examination, shoulder, including axillary view

Clinical Scenario

Used when imaging is required to assess calcification in the left upper arm.

Documentation Requirements

Radiology report detailing findings of calcification.

Specialty Considerations

Ensure the imaging report correlates with the diagnosis for accurate coding.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of muscle calcification, improving the accuracy of diagnoses and treatment tracking. M61.422 provides a clear distinction for left upper arm calcification, which aids in clinical management and research.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of muscle calcification, improving the accuracy of diagnoses and treatment tracking. M61.422 provides a clear distinction for left upper arm calcification, which aids in clinical management and research.

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 muscle calcification?

Common causes include trauma, inflammation, metabolic disorders, and certain systemic diseases that can lead to abnormal calcium deposition in muscle tissue.