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ICD-10 Guide
ICD-10 CodesM48.51

M48.51

Billable

Collapsed vertebra, not elsewhere classified, occipito-atlanto-axial region

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

Code Description

ICD-10 M48.51 is a billable code used to indicate a diagnosis of collapsed vertebra, not elsewhere classified, occipito-atlanto-axial region.

Key Diagnostic Point:

Collapsed vertebrae in the occipito-atlanto-axial region refer to a condition where one or more vertebrae in the upper cervical spine (the area encompassing the occiput, atlas, and axis) have lost structural integrity, leading to a decrease in height or collapse. This condition can arise from various etiologies, including trauma, malignancy, osteoporosis, or inflammatory diseases such as ankylosing spondylitis. The occipito-atlanto-axial region is critical for craniovertebral junction stability and mobility, and collapse in this area can lead to significant neurological deficits due to compression of the spinal cord or nerve roots. Patients may present with neck pain, restricted range of motion, and neurological symptoms such as weakness or sensory changes. Diagnosis typically involves imaging studies such as X-rays, CT scans, or MRIs to assess vertebral alignment and integrity. Treatment may vary from conservative management, including physical therapy and pain management, to surgical interventions aimed at stabilizing the spine and decompressing neural structures.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiating between traumatic and non-traumatic causes of vertebral collapse.
  • Understanding the specific anatomical implications of the occipito-atlanto-axial region.
  • Identifying associated conditions such as ankylosing spondylitis or spinal stenosis.
  • Navigating the documentation requirements for various specialties involved in treatment.

Audit Risk Factors

  • Inadequate documentation of the cause of vertebral collapse.
  • Failure to document associated neurological deficits.
  • Misclassification of the vertebral region affected.
  • Lack of imaging studies to support the diagnosis.

Specialty Focus

Medical Specialties

Orthopedic Surgery

Documentation Requirements

Detailed imaging reports, surgical notes, and pre-operative assessments.

Common Clinical Scenarios

Surgical intervention for vertebral stabilization or decompression.

Billing Considerations

Documentation must clearly outline the surgical approach and rationale for intervention.

Neurology

Documentation Requirements

Neurological assessments, imaging results, and treatment plans.

Common Clinical Scenarios

Management of neurological symptoms resulting from vertebral collapse.

Billing Considerations

Clear documentation of neurological deficits and their correlation with imaging findings.

Coding Guidelines

Inclusion Criteria

Use M48.51 When
  • According to ICD
  • 10 coding guidelines, M48
  • 51 should be used when the specific cause of the collapsed vertebra is not classified elsewhere
  • Coders must ensure that the documentation supports the diagnosis and that the condition is not a result of a more specific diagnosis that has its own code

Exclusion Criteria

Do NOT use M48.51 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

22551CPT Code

Anterior cervical discectomy and fusion

Clinical Scenario

Used in cases of vertebral collapse requiring stabilization.

Documentation Requirements

Operative report detailing the procedure and indication for surgery.

Specialty Considerations

Orthopedic surgeons must document the rationale for surgical intervention.

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 vertebral collapse, improving the ability to capture the complexity of these cases and ensuring better data for treatment outcomes and research.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of conditions like vertebral collapse, improving the ability to capture the complexity of these cases and ensuring better data for treatment outcomes and research.

Reimbursement & Billing Impact

reimbursement.

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 a collapsed vertebra in the occipito-atlanto-axial region?

The primary causes can include trauma, malignancy, osteoporosis, or inflammatory conditions such as ankylosing spondylitis. Each case should be evaluated individually to determine the underlying cause.