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ICD-10 Guide
ICD-10 CodesM48.13

M48.13

Billable

Ankylosing hyperostosis [Forestier], cervicothoracic region

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

Code Description

ICD-10 M48.13 is a billable code used to indicate a diagnosis of ankylosing hyperostosis [forestier], cervicothoracic region.

Key Diagnostic Point:

Ankylosing hyperostosis, also known as Forestier's disease, is characterized by calcification and ossification of the anterior longitudinal ligament of the spine, leading to stiffness and reduced mobility. This condition primarily affects the cervicothoracic region, where the cervical spine meets the thoracic spine. Patients often present with neck pain and stiffness, which can progress to significant limitations in range of motion. The pathophysiology involves chronic inflammation and subsequent ossification, which can be associated with other inflammatory spine conditions such as ankylosing spondylitis. Diagnosis is typically made through imaging studies, including X-rays or MRI, which reveal characteristic changes in the spine. The condition is more prevalent in older adults and may be associated with other spondylopathies, including spinal stenosis, where narrowing of the spinal canal can occur due to the bony overgrowth. Management often includes physical therapy, pain management, and in some cases, surgical intervention to relieve symptoms and improve function.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiating between ankylosing hyperostosis and other spondylopathies.
  • Need for precise documentation of symptoms and imaging findings.
  • Potential overlap with other inflammatory spine conditions.
  • Variability in presentation and progression of the disease.

Audit Risk Factors

  • Inadequate documentation of clinical findings.
  • Failure to specify the cervicothoracic region.
  • Misclassification with other spondylopathies.
  • Lack of imaging studies to support diagnosis.

Specialty Focus

Medical Specialties

Rheumatology

Documentation Requirements

Detailed history of symptoms, physical examination findings, and imaging results.

Common Clinical Scenarios

Patients presenting with chronic neck pain and stiffness, particularly in older adults.

Billing Considerations

Documentation should clearly differentiate between ankylosing hyperostosis and ankylosing spondylitis.

Orthopedics

Documentation Requirements

Surgical notes, imaging studies, and pre-operative assessments.

Common Clinical Scenarios

Patients requiring surgical intervention for spinal stenosis related to hyperostosis.

Billing Considerations

Ensure that the surgical indication is well-documented to support coding.

Coding Guidelines

Inclusion Criteria

Use M48.13 When
  • Follow the official ICD
  • CM coding guidelines, ensuring accurate documentation of the condition's specifics, including the affected region and any associated conditions
  • Include imaging results and clinical findings to support the diagnosis

Exclusion Criteria

Do NOT use M48.13 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

22551CPT Code

Spinal fusion, cervical

Clinical Scenario

Used when surgical intervention is required for severe cases of hyperostosis.

Documentation Requirements

Pre-operative assessments, imaging studies, and surgical notes.

Specialty Considerations

Orthopedic documentation must clearly indicate the need for surgery.

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 ankylosing hyperostosis, improving the accuracy of data collection and reimbursement processes.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of conditions like ankylosing hyperostosis, improving the accuracy of data collection 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 is the primary symptom of ankylosing hyperostosis?

The primary symptom is chronic neck pain and stiffness, particularly in the cervicothoracic region.

How is ankylosing hyperostosis diagnosed?

Diagnosis is typically made through imaging studies such as X-rays or MRI, which reveal characteristic changes in the spine.

What are the treatment options for this condition?

Treatment options include physical therapy, pain management, and in some cases, surgical intervention to relieve symptoms.