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ICD-10 Guide
ICD-10 CodesM46.36

M46.36

Billable

Infection of intervertebral disc (pyogenic), lumbar region

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

Code Description

ICD-10 M46.36 is a billable code used to indicate a diagnosis of infection of intervertebral disc (pyogenic), lumbar region.

Key Diagnostic Point:

Infection of the intervertebral disc, specifically pyogenic in nature, is a serious condition that typically arises from bacterial infection, leading to inflammation and potential destruction of the disc tissue. This condition is often associated with spondylopathies, where the infection can spread from adjacent vertebrae or through hematogenous routes. Patients may present with severe back pain, fever, and neurological deficits due to compression of spinal structures. The lumbar region is particularly vulnerable due to its weight-bearing function and mobility. Diagnosis is often confirmed through imaging studies such as MRI, which can reveal disc space narrowing, edema, and abscess formation. Treatment usually involves antibiotics and may require surgical intervention to decompress the spinal cord or remove infected tissue. The condition can lead to significant morbidity if not promptly addressed, making accurate coding essential for appropriate management and reimbursement.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiating between pyogenic and non-pyogenic infections.
  • Identifying the specific lumbar level affected.
  • Understanding the relationship with other spondylopathies.
  • Documenting associated neurological symptoms.

Audit Risk Factors

  • Inadequate documentation of the infection type.
  • Failure to specify the lumbar level involved.
  • Lack of supporting imaging studies.
  • Inconsistent clinical findings reported.

Specialty Focus

Medical Specialties

Orthopedic Surgery

Documentation Requirements

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

Common Clinical Scenarios

Surgical intervention for abscess drainage or decompression.

Billing Considerations

Ensure clear documentation of the surgical approach and any complications.

Infectious Disease

Documentation Requirements

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

Common Clinical Scenarios

Management of antibiotic therapy and monitoring for complications.

Billing Considerations

Document rationale for antibiotic choice and duration of therapy.

Coding Guidelines

Inclusion Criteria

Use M46.36 When
  • Follow the official ICD
  • CM guidelines for coding infections, ensuring to include any relevant complications or associated conditions
  • Include documentation of the infection's origin and any related spondylopathies

Exclusion Criteria

Do NOT use M46.36 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

63030CPT Code

Laminectomy, facetectomy, and/or foraminotomy

Clinical Scenario

Used when surgical intervention is required for decompression due to infection.

Documentation Requirements

Operative report detailing the procedure and findings.

Specialty Considerations

Orthopedic surgeons must document the rationale 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 infections, improving the ability to track and manage conditions like M46.36. This specificity aids in better patient care and resource allocation.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of infections, improving the ability to track and manage conditions like M46.36. This specificity aids in better patient care and resource allocation.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of infections, improving the ability to track and manage conditions like M46.36. This specificity aids in better patient care and resource allocation.

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 pyogenic infection of the intervertebral disc?

The primary cause is usually bacterial infection, which can occur through hematogenous spread or direct extension from adjacent structures.