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ICD-10 Guide
ICD-10 CodesM61.36

M61.36

Billable

Calcification and ossification of muscles associated with burns, lower leg

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

Code Description

ICD-10 M61.36 is a billable code used to indicate a diagnosis of calcification and ossification of muscles associated with burns, lower leg.

Key Diagnostic Point:

Calcification and ossification of muscles associated with burns in the lower leg is a condition that arises as a complication of severe thermal injuries. Following a burn, the body undergoes a healing process that can lead to abnormal mineralization of muscle tissue, resulting in calcification or ossification. This process can cause stiffness, pain, and reduced mobility in the affected area. The lower leg is particularly susceptible due to its anatomical structure and the potential for significant soft tissue damage from burns. Patients may experience muscle weakness and myositis, which can further complicate recovery. The condition may also be associated with neuromuscular disorders, as the calcified tissue can interfere with normal muscle function and nerve signaling. Diagnosis typically involves imaging studies to assess the extent of calcification and to differentiate it from other conditions such as myositis or muscle necrosis. Treatment may include physical therapy, pain management, and in some cases, surgical intervention to remove calcified tissue.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Requires understanding of burn-related complications
  • Differentiation from other muscle disorders
  • Need for precise documentation of burn severity
  • Potential for co-morbid conditions affecting coding

Audit Risk Factors

  • Inadequate documentation of burn severity
  • Failure to specify the affected muscle group
  • Misclassification of muscle disorders
  • Lack of imaging studies to support diagnosis

Specialty Focus

Medical Specialties

Burn Surgery

Documentation Requirements

Detailed records of burn depth, size, and location, along with treatment plans.

Common Clinical Scenarios

Management of burn injuries leading to muscle calcification, post-operative care.

Billing Considerations

Need for interdisciplinary collaboration with physical therapy for rehabilitation.

Physical Medicine and Rehabilitation

Documentation Requirements

Assessment of functional limitations and rehabilitation goals.

Common Clinical Scenarios

Rehabilitation of patients with muscle weakness post-burn injury.

Billing Considerations

Focus on restoring mobility and function while managing pain.

Coding Guidelines

Inclusion Criteria

Use M61.36 When
  • Follow official ICD
  • CM guidelines for coding burn injuries and associated complications
  • Ensure accurate documentation of the burn's location, depth, and any subsequent muscle involvement
  • Include relevant imaging studies to support the diagnosis

Exclusion Criteria

Do NOT use M61.36 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

97001CPT Code

Physical therapy evaluation

Clinical Scenario

Used for assessing functional limitations in patients with muscle calcification post-burn.

Documentation Requirements

Detailed evaluation of muscle strength and range of motion.

Specialty Considerations

Physical therapists should document specific impairments related to burn injuries.

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 M61.36, improving the accuracy of data collection and reimbursement processes. It emphasizes the need for detailed documentation of burn injuries and their complications.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of conditions like M61.36, improving the accuracy of data collection and reimbursement processes. It emphasizes the need for detailed documentation of burn injuries and their complications.

Reimbursement & Billing Impact

reimbursement processes. It emphasizes the need for detailed documentation of burn injuries and their complications.

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 symptoms associated with M61.36?

Common symptoms include muscle stiffness, pain, weakness, and reduced mobility in the lower leg.

How is M61.36 diagnosed?

Diagnosis typically involves clinical evaluation, imaging studies to assess calcification, and documentation of burn history.