ICD-10 Logo
ICDxICD-10 Medical Coding
ICD-10 Logo
ICDxICD-10 Medical Coding
ICD 10 CodesDiagnoses
ICD 10 CodesDiagnoses
ICD-10 Logo
ICDxICD-10 Medical Coding

Comprehensive ICD-10-CM code reference with AI-powered search capabilities.

© 2025 ICD Code Compass. All rights reserved.

Browse

  • All Chapters
  • All Categories
  • Diagnoses

Tools

  • AI Code Search
ICD-10-CM codes are maintained by the CDC and CMS. This tool is for reference purposes only.
v1.0.0
ICD-10 Guide
ICD-10 CodesM46.43

M46.43

Billable

Discitis, unspecified, cervicothoracic region

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

Code Description

ICD-10 M46.43 is a billable code used to indicate a diagnosis of discitis, unspecified, cervicothoracic region.

Key Diagnostic Point:

Discitis is an inflammatory condition affecting the intervertebral discs, often resulting from infection, trauma, or degenerative changes. In the cervicothoracic region, this condition can lead to significant pain, limited mobility, and neurological deficits due to the proximity of the spinal cord and nerve roots. Symptoms may include localized neck pain, radiating pain, and stiffness. Diagnosis typically involves imaging studies such as MRI or CT scans, which can reveal disc space narrowing, edema, or abscess formation. Laboratory tests may also be conducted to identify infectious agents. Treatment often includes antibiotics for infectious discitis, anti-inflammatory medications, and in severe cases, surgical intervention may be necessary to decompress the spinal cord or stabilize the spine. The unspecified nature of this code indicates that the specific cause of the discitis has not been determined, which can complicate treatment and management strategies.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiating between infectious and non-infectious causes
  • Need for detailed imaging and lab results
  • Potential overlap with other spinal conditions
  • Variability in treatment approaches based on etiology

Audit Risk Factors

  • Insufficient documentation of clinical findings
  • Lack of imaging or lab results to support diagnosis
  • Inconsistent coding of related conditions
  • Failure to document treatment plans and outcomes

Specialty Focus

Medical Specialties

Orthopedic Surgery

Documentation Requirements

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

Common Clinical Scenarios

Surgical intervention for discitis, including decompression or fusion procedures.

Billing Considerations

Ensure clear documentation of the surgical indication and outcomes.

Infectious Disease

Documentation Requirements

Comprehensive lab results, culture reports, and treatment regimens.

Common Clinical Scenarios

Management of infectious discitis with antibiotic therapy.

Billing Considerations

Document the specific infectious agent and response to treatment.

Coding Guidelines

Inclusion Criteria

Use M46.43 When
  • According to ICD
  • 10 guidelines, M46
  • 43 should be used when the specific cause of discitis is not identified
  • Coders should ensure that all relevant clinical information is documented to support the use of this code

Exclusion Criteria

Do NOT use M46.43 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

63030CPT Code

Laminectomy, cervical

Clinical Scenario

Performed for decompression in cases of severe discitis.

Documentation Requirements

Operative report detailing the procedure and indications.

Specialty Considerations

Orthopedic surgeons should 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 discitis, improving the accuracy of data collection and reimbursement processes. M46.43 provides a means to capture cases where the etiology is not clearly defined, which was less specific in ICD-9.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of discitis, improving the accuracy of data collection and reimbursement processes. M46.43 provides a means to capture cases where the etiology is not clearly defined, which was less specific in ICD-9.

Reimbursement & Billing Impact

reimbursement processes. M46.43 provides a means to capture cases where the etiology is not clearly defined, which was less specific in ICD-9.

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 discitis?

Common causes include infections (bacterial, viral), trauma, and degenerative changes. In some cases, the cause may remain unspecified.