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ICD-10 Guide
ICD-10 CodesM46.26

M46.26

Billable

Osteomyelitis of vertebra, lumbar region

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

Code Description

ICD-10 M46.26 is a billable code used to indicate a diagnosis of osteomyelitis of vertebra, lumbar region.

Key Diagnostic Point:

Osteomyelitis of the lumbar vertebrae is an infection of the bone that can arise from various sources, including hematogenous spread, direct extension from adjacent soft tissue infections, or post-surgical complications. This condition is characterized by inflammation and destruction of the vertebral body, which can lead to significant morbidity. Patients may present with localized pain, fever, and neurological deficits depending on the extent of the infection and any associated spinal cord involvement. Risk factors include diabetes mellitus, immunosuppression, and prior spinal surgery. Diagnosis typically involves imaging studies such as MRI or CT scans, which can reveal bone edema and abscess formation. Laboratory tests may show elevated inflammatory markers. Treatment often requires a combination of prolonged antibiotic therapy and, in some cases, surgical intervention to debride infected tissue or stabilize the spine. Early diagnosis and management are crucial to prevent complications such as abscess formation or chronic pain syndromes.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiating between osteomyelitis and other spinal conditions like spondylitis or discitis.
  • Understanding the various etiologies of osteomyelitis.
  • The need for detailed documentation of imaging and laboratory findings.
  • Potential for co-existing conditions that may complicate coding.

Audit Risk Factors

  • Inadequate documentation of the infection source.
  • Failure to document the presence of co-morbid conditions.
  • Lack of clarity in imaging results.
  • Insufficient detail in treatment plans.

Specialty Focus

Medical Specialties

Orthopedic Surgery

Documentation Requirements

Detailed surgical notes, imaging results, and post-operative care plans.

Common Clinical Scenarios

Post-operative infections following spinal surgery, trauma-related infections.

Billing Considerations

Documentation must clearly outline the surgical intervention and any complications.

Infectious Disease

Documentation Requirements

Comprehensive history of infection, laboratory results, and treatment response.

Common Clinical Scenarios

Patients with systemic infections leading to osteomyelitis.

Billing Considerations

Focus on the underlying causes of infection and antibiotic stewardship.

Coding Guidelines

Inclusion Criteria

Use M46.26 When
  • According to ICD
  • 10 guidelines, M46
  • 26 should be used when there is clear documentation of osteomyelitis localized to the lumbar vertebrae
  • It is essential to ensure that the diagnosis is confirmed through imaging and that any underlying conditions are documented

Exclusion Criteria

Do NOT use M46.26 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

20610CPT Code

Arthrocentesis, aspiration and/or injection into a major joint or bursa

Clinical Scenario

Used when joint aspiration is performed due to suspected infection.

Documentation Requirements

Document the indication for the procedure and findings.

Specialty Considerations

Orthopedic documentation must include details of joint involvement.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of osteomyelitis, improving the accuracy of data collection and reimbursement processes. M46.26 provides specificity that was not available in ICD-9, allowing for better tracking of infection-related complications.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of osteomyelitis, improving the accuracy of data collection and reimbursement processes. M46.26 provides specificity that was not available in ICD-9, allowing for better tracking of infection-related complications.

Reimbursement & Billing Impact

reimbursement processes. M46.26 provides specificity that was not available in ICD-9, allowing for better tracking of infection-related 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 causes of osteomyelitis in the lumbar region?

Common causes include hematogenous spread from distant infections, direct extension from adjacent soft tissue infections, and post-surgical complications. Risk factors such as diabetes, immunosuppression, and prior spinal surgery also play a significant role.