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ICD-10 Guide
ICD-10 CodesM46.39

M46.39

Billable

Infection of intervertebral disc (pyogenic), multiple sites in spine

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

Code Description

ICD-10 M46.39 is a billable code used to indicate a diagnosis of infection of intervertebral disc (pyogenic), multiple sites in spine.

Key Diagnostic Point:

M46.39 refers to a pyogenic infection of the intervertebral discs located at multiple sites within the spine. This condition is characterized by the presence of bacteria that invade the disc space, leading to inflammation, pain, and potential neurological deficits. The infection can arise from hematogenous spread, direct extension from adjacent structures, or post-surgical complications. Clinically, patients may present with severe back pain, fever, and neurological symptoms depending on the extent of the infection and any resultant spinal cord compression. Diagnosis typically involves imaging studies such as MRI, which can reveal disc space involvement and associated abscess formation. Laboratory tests may show elevated inflammatory markers and cultures may identify the causative organism. Treatment often requires a combination of antibiotics and, in some cases, surgical intervention to decompress the affected area and remove infected tissue. Early diagnosis and management are crucial to prevent long-term complications such as chronic pain or disability.

Code Complexity Analysis

Complexity Rating: High

High Complexity

Complexity Factors

  • Differentiating between pyogenic and non-pyogenic infections
  • Identifying multiple sites of infection accurately
  • Understanding the relationship with other spinal conditions
  • Need for comprehensive documentation of clinical findings

Audit Risk Factors

  • Inadequate documentation of infection type
  • Failure to specify multiple sites of infection
  • Lack of supporting imaging studies
  • Misclassification of the infection as non-pyogenic

Specialty Focus

Medical Specialties

Orthopedic Surgery

Documentation Requirements

Detailed operative notes, imaging results, and pathology reports are essential.

Common Clinical Scenarios

Post-operative infections following spinal surgery, acute discitis in patients with fever and back pain.

Billing Considerations

Ensure that the surgical history is clearly documented to support the diagnosis of infection.

Infectious Disease

Documentation Requirements

Comprehensive lab results, culture reports, and treatment plans must be included.

Common Clinical Scenarios

Patients presenting with systemic signs of infection and localized back pain.

Billing Considerations

Document the organism identified and the treatment response to support the diagnosis.

Coding Guidelines

Inclusion Criteria

Use M46.39 When
  • According to ICD
  • 10 coding guidelines, M46
  • 39 should be used when there is clear documentation of a pyogenic infection affecting multiple intervertebral discs
  • It is important to ensure that the infection is not due to other causes such as tuberculosis or fungal infections, which would require different codes

Exclusion Criteria

Do NOT use M46.39 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

63030CPT Code

Laminectomy, facetectomy, and/or foraminotomy

Clinical Scenario

Used in cases where surgical intervention is required to decompress the spinal cord due to infection.

Documentation Requirements

Operative report detailing the procedure and indication for surgery.

Specialty Considerations

Orthopedic surgeons must document the rationale for surgical intervention clearly.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of infections, including the differentiation between pyogenic and non-pyogenic infections, which enhances the accuracy of patient records and treatment plans.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of infections, including the differentiation between pyogenic and non-pyogenic infections, which enhances the accuracy of patient records and treatment plans.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of infections, including the differentiation between pyogenic and non-pyogenic infections, which enhances the accuracy of patient records and treatment plans.

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 difference between M46.39 and M46.2?

M46.39 is used for pyogenic infections of multiple intervertebral discs, while M46.2 is for infections at a single site. Accurate documentation of the number of affected sites is crucial for correct coding.