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ICD-10 Guide
ICD-10 CodesM66.832

M66.832

Billable

Spontaneous rupture of other tendons, left forearm

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

Code Description

ICD-10 M66.832 is a billable code used to indicate a diagnosis of spontaneous rupture of other tendons, left forearm.

Key Diagnostic Point:

Spontaneous rupture of tendons in the left forearm can occur due to various factors, including underlying degenerative conditions, acute trauma, or chronic overuse. This condition is characterized by the sudden tearing of tendons, which may lead to significant pain, swelling, and loss of function in the affected area. The left forearm contains several important tendons, including those associated with the wrist and fingers, which are crucial for hand movements. Patients may present with acute pain, a palpable defect in the tendon, and functional impairment. Diagnosis typically involves a thorough clinical examination and may be supplemented by imaging studies such as ultrasound or MRI to confirm the rupture and assess the extent of the injury. Treatment options vary based on the severity of the rupture and may include conservative management with rest and physical therapy or surgical intervention to repair the tendon. Surgical repair is often indicated for complete ruptures or when conservative measures fail to restore function.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in clinical presentation and severity of tendon ruptures.
  • Need for precise documentation of the location and type of tendon involved.
  • Differentiation from other tendon injuries and conditions.
  • Potential for co-existing conditions that may complicate coding.

Audit Risk Factors

  • Inadequate documentation of the mechanism of injury.
  • Failure to specify the exact tendon involved.
  • Lack of imaging studies to support the diagnosis.
  • Inconsistent coding of associated conditions.

Specialty Focus

Medical Specialties

Orthopedic Surgery

Documentation Requirements

Detailed operative notes, imaging results, and pre-operative assessments.

Common Clinical Scenarios

Patients presenting with acute pain and functional loss in the forearm following a fall or sports injury.

Billing Considerations

Ensure clear documentation of the surgical approach and any complications encountered during the procedure.

Physical Medicine and Rehabilitation

Documentation Requirements

Comprehensive evaluation reports, treatment plans, and progress notes.

Common Clinical Scenarios

Patients undergoing rehabilitation post-surgery for tendon repair or those with chronic pain due to tendon rupture.

Billing Considerations

Document functional limitations and response to therapy to support ongoing treatment needs.

Coding Guidelines

Inclusion Criteria

Use M66.832 When
  • Follow official ICD
  • CM coding guidelines, ensuring accurate documentation of the specific tendon involved and the nature of the rupture
  • Include any relevant co
  • morbidities and specify whether the condition is acute or chronic

Exclusion Criteria

Do NOT use M66.832 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

23470CPT Code

Repair of ruptured tendon, forearm

Clinical Scenario

Used when surgical repair is performed for a spontaneous tendon rupture.

Documentation Requirements

Operative report detailing the procedure and findings.

Specialty Considerations

Orthopedic surgeons must document the specific tendon repaired and any complications.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of tendon injuries, improving the accuracy of data collection and reimbursement processes. M66.832 provides a clear designation for spontaneous ruptures, facilitating better patient management and tracking of treatment outcomes.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of tendon injuries, improving the accuracy of data collection and reimbursement processes. M66.832 provides a clear designation for spontaneous ruptures, facilitating better patient management and tracking of treatment outcomes.

Reimbursement & Billing Impact

reimbursement processes. M66.832 provides a clear designation for spontaneous ruptures, facilitating better patient management and tracking of treatment outcomes.

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 spontaneous tendon rupture?

Common causes include degenerative changes due to aging, chronic overuse, and underlying medical conditions such as rheumatoid arthritis or diabetes.