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ICD-10 Guide
ICD-10 CodesM46.47

M46.47

Billable

Discitis, unspecified, lumbosacral region

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

Code Description

ICD-10 M46.47 is a billable code used to indicate a diagnosis of discitis, unspecified, lumbosacral region.

Key Diagnostic Point:

Discitis is an inflammatory condition affecting the intervertebral discs, often resulting from infection, trauma, or degenerative changes. In the lumbosacral region, this condition can lead to significant pain, reduced mobility, and potential neurological deficits if not addressed promptly. The lumbosacral region is particularly vulnerable due to its weight-bearing function and the stress it endures during daily activities. Symptoms may include localized back pain, fever, and in some cases, radicular pain due to nerve root involvement. Diagnosis typically involves imaging studies such as MRI or CT scans, which can reveal disc space narrowing, edema, and other inflammatory changes. Treatment may include antibiotics if an infection is present, along with pain management and physical therapy. In chronic cases, surgical intervention may be necessary to relieve pressure on the spinal cord or nerves. Accurate coding of discitis is crucial for appropriate treatment and reimbursement, as it can be associated with various underlying conditions, including spondylopathies and inflammatory spine diseases.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiating between infectious and non-infectious causes of discitis.
  • Need for comprehensive imaging documentation to support diagnosis.
  • Potential overlap with other spinal conditions like spondylitis or stenosis.
  • Variability in clinical presentation and symptomatology.

Audit Risk Factors

  • Inadequate documentation of clinical findings.
  • Failure to specify the cause of discitis.
  • Lack of imaging results in the medical record.
  • Misclassification with other spinal disorders.

Specialty Focus

Medical Specialties

Orthopedics

Documentation Requirements

Detailed notes on physical examination findings, imaging results, and treatment plans.

Common Clinical Scenarios

Patients presenting with back pain and neurological symptoms, post-surgical complications, or chronic pain syndromes.

Billing Considerations

Ensure clear documentation of the patient's functional status and response to treatment.

Rheumatology

Documentation Requirements

Comprehensive history of inflammatory symptoms, lab results, and response to anti-inflammatory therapies.

Common Clinical Scenarios

Patients with known inflammatory conditions presenting with new back pain.

Billing Considerations

Document any systemic symptoms that may indicate an underlying rheumatologic condition.

Coding Guidelines

Inclusion Criteria

Use M46.47 When
  • Follow the official ICD
  • CM coding guidelines, ensuring that the diagnosis is supported by clinical documentation
  • Discitis should be coded based on the specific region affected and the underlying cause when known

Exclusion Criteria

Do NOT use M46.47 When
  • Exclude codes for other specific conditions that may mimic discitis

Related ICD-10 Codes

Related CPT Codes

72040CPT Code

MRI of the lumbar spine

Clinical Scenario

Used to confirm diagnosis of discitis.

Documentation Requirements

Document indication for MRI and findings.

Specialty Considerations

Orthopedic specialists should ensure imaging correlates with clinical findings.

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 ability to capture the complexity of the condition and its management. This specificity aids in better tracking of treatment outcomes and resource allocation.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of discitis, improving the ability to capture the complexity of the condition and its management. This specificity aids in better tracking of treatment outcomes and resource allocation.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of discitis, improving the ability to capture the complexity of the condition and its management. This specificity aids in better tracking of treatment outcomes 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 discitis?

Discitis can be caused by infections, trauma, or degenerative changes. In many cases, the exact cause may remain unspecified.