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ICD-10 Guide
ICD-10 CodesM61.339

M61.339

Billable

Calcification and ossification of muscles associated with burns, unspecified forearm

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

Code Description

ICD-10 M61.339 is a billable code used to indicate a diagnosis of calcification and ossification of muscles associated with burns, unspecified forearm.

Key Diagnostic Point:

Calcification and ossification of muscles associated with burns is a condition that occurs when there is abnormal deposition of calcium salts in muscle tissue following thermal injury. This can lead to stiffness, pain, and impaired mobility in the affected area. In the case of the unspecified forearm, the calcification may result from the body's healing response to burns, where the muscle tissue undergoes pathological changes due to inflammation and necrosis. The condition can manifest as myositis, characterized by muscle inflammation, which may contribute to muscle weakness and neuromuscular dysfunction. Patients may experience reduced range of motion and functional limitations, necessitating rehabilitation and physical therapy. Accurate diagnosis often involves imaging studies to assess the extent of calcification and ossification, and treatment may include pain management, physical therapy, and in some cases, surgical intervention to remove calcified tissue. Understanding the underlying mechanisms and clinical implications of this condition is crucial for effective management and coding.

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 muscle function

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

Physical Medicine and Rehabilitation

Documentation Requirements

Detailed notes on functional limitations, treatment plans, and progress notes.

Common Clinical Scenarios

Patients recovering from burn injuries with muscle stiffness and weakness.

Billing Considerations

Emphasis on rehabilitation goals and outcomes.

Orthopedic Surgery

Documentation Requirements

Surgical notes, imaging results, and post-operative care documentation.

Common Clinical Scenarios

Surgical intervention for severe calcification affecting mobility.

Billing Considerations

Documentation of surgical necessity and outcomes.

Coding Guidelines

Inclusion Criteria

Use M61.339 When
  • Follow the official ICD
  • CM coding guidelines, ensuring that the code is used only when the calcification and ossification are directly associated with burn injuries

Exclusion Criteria

Do NOT use M61.339 When
  • Exclude conditions that are not related to burns

Related ICD-10 Codes

Related CPT Codes

97110CPT Code

Therapeutic exercises

Clinical Scenario

Used for rehabilitation of muscle strength post-burn.

Documentation Requirements

Documentation of exercises performed and patient progress.

Specialty Considerations

Physical therapy notes should detail the patient's response to treatment.

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 calcification and ossification associated with burns, improving the accuracy of patient records and facilitating better treatment planning.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of conditions like calcification and ossification associated with burns, improving the accuracy of patient records and facilitating better treatment planning.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of conditions like calcification and ossification associated with burns, improving the accuracy of patient records and facilitating better treatment planning.

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 calcification in muscles associated with burns?

Calcification in muscles following burns is primarily due to the body's inflammatory response to tissue damage, leading to abnormal calcium deposition in the affected muscle tissue.