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ICD-10 Guide
ICD-10 CodesM61.462

M61.462

Billable

Other calcification of muscle, left lower leg

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

Code Description

ICD-10 M61.462 is a billable code used to indicate a diagnosis of other calcification of muscle, left lower leg.

Key Diagnostic Point:

M61.462 refers to the condition characterized by abnormal calcification in the muscle tissue of the left lower leg. This condition can arise from various underlying causes, including metabolic disorders, trauma, or chronic inflammation. Calcification in muscle tissue can lead to stiffness, pain, and reduced mobility, impacting the patient's quality of life. It may be associated with myositis, a condition where muscle inflammation occurs, leading to muscle weakness and discomfort. In some cases, calcification can be a result of dystrophic calcification, where calcium deposits form in damaged or necrotic tissue. Clinicians must evaluate the patient's history, physical examination findings, and possibly imaging studies to determine the extent of calcification and its impact on muscle function. Treatment may involve addressing the underlying cause, physical therapy, and pain management strategies. Accurate coding of this condition is essential for appropriate treatment planning and reimbursement.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in underlying causes of calcification
  • Need for detailed documentation of symptoms and history
  • Differentiation from other muscle disorders
  • Potential for co-existing conditions affecting coding

Audit Risk Factors

  • Inadequate documentation of the underlying cause of calcification
  • Failure to document associated symptoms or functional limitations
  • Misclassification of the type of calcification
  • Inconsistent coding with treatment provided

Specialty Focus

Medical Specialties

Rheumatology

Documentation Requirements

Detailed history of symptoms, physical examination findings, and any imaging studies.

Common Clinical Scenarios

Patients presenting with muscle pain and stiffness, particularly after trauma or in the context of autoimmune diseases.

Billing Considerations

Consideration of systemic conditions that may contribute to calcification, such as metabolic disorders.

Orthopedics

Documentation Requirements

Comprehensive assessment of muscle function, imaging results, and treatment plans.

Common Clinical Scenarios

Patients with calcification following orthopedic surgery or trauma.

Billing Considerations

Documentation of functional impairment and rehabilitation needs.

Coding Guidelines

Inclusion Criteria

Use M61.462 When
  • According to ICD
  • 10 guidelines, M61
  • 462 should be used when there is clear documentation of calcification in the left lower leg muscle
  • It is important to ensure that the documentation specifies the type of calcification and any associated conditions

Exclusion Criteria

Do NOT use M61.462 When
  • Exclusion criteria include conditions that are not specifically related to muscle calcification

Related ICD-10 Codes

Related CPT Codes

73030CPT Code

Radiologic examination, lower extremity

Clinical Scenario

Used when imaging is required to assess calcification in the muscle.

Documentation Requirements

Document the reason for imaging and findings related to muscle calcification.

Specialty Considerations

Orthopedic specialists may require detailed imaging reports.

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 diagnosis and treatment planning. M61.462 provides a clear distinction for left lower leg calcification, which aids in clinical management and reimbursement processes.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of muscle calcification, improving the accuracy of diagnosis and treatment planning. M61.462 provides a clear distinction for left lower leg calcification, which aids in clinical management and reimbursement processes.

Reimbursement & Billing Impact

reimbursement processes.

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, chronic inflammation, metabolic disorders, and certain systemic diseases. Each case should be evaluated individually to determine the underlying cause.