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ICD-10 Guide
ICD-10 CodesM46.09

M46.09

Billable

Spinal enthesopathy, multiple sites in spine

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

Code Description

ICD-10 M46.09 is a billable code used to indicate a diagnosis of spinal enthesopathy, multiple sites in spine.

Key Diagnostic Point:

Spinal enthesopathy refers to a condition characterized by inflammation at the sites where tendons and ligaments attach to the vertebrae. This condition can manifest in various forms, often associated with spondylopathies, including ankylosing spondylitis, which is a type of inflammatory arthritis primarily affecting the spine and the sacroiliac joints. Patients may experience chronic pain, stiffness, and reduced mobility due to inflammation and subsequent structural changes in the spine. Spinal stenosis, a narrowing of the spinal canal, can also complicate the clinical picture, leading to nerve compression and additional symptoms such as radiculopathy. Inflammatory spine conditions, including enthesitis, can lead to significant morbidity if not properly diagnosed and managed. The diagnosis of spinal enthesopathy requires a thorough clinical evaluation, including imaging studies and possibly laboratory tests to rule out other inflammatory or degenerative conditions. Treatment typically involves anti-inflammatory medications, physical therapy, and in some cases, disease-modifying antirheumatic drugs (DMARDs) or biologics.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiating between enthesopathy and other spinal conditions
  • Need for comprehensive documentation of symptoms and imaging results
  • Potential overlap with other inflammatory conditions
  • Variability in clinical presentation among patients

Audit Risk Factors

  • Inadequate documentation of multiple sites affected
  • Failure to link symptoms to the diagnosis
  • Misclassification of enthesopathy as a degenerative condition
  • Lack of imaging studies to support the diagnosis

Specialty Focus

Medical Specialties

Rheumatology

Documentation Requirements

Detailed clinical notes including symptom duration, severity, and response to treatment.

Common Clinical Scenarios

Patients presenting with chronic back pain, stiffness, and a family history of inflammatory arthritis.

Billing Considerations

Consideration of comorbid conditions such as psoriasis or inflammatory bowel disease.

Orthopedics

Documentation Requirements

Imaging results, physical examination findings, and treatment plans.

Common Clinical Scenarios

Patients with mechanical back pain who may also have inflammatory components.

Billing Considerations

Differentiating between mechanical and inflammatory causes of back pain.

Coding Guidelines

Inclusion Criteria

Use M46.09 When
  • According to ICD
  • 10 guidelines, M46
  • 09 should be used when there is clear documentation of enthesopathy affecting multiple sites in the spine
  • It is important to ensure that the diagnosis is supported by clinical findings and imaging studies

Exclusion Criteria

Do NOT use M46.09 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 a patient with spinal enthesopathy requires injection for pain relief.

Documentation Requirements

Document the joint or bursa involved, the procedure performed, and the patient's response.

Specialty Considerations

Rheumatologists may perform this procedure for therapeutic purposes.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of spinal conditions, improving the accuracy of diagnoses and treatment plans. M46.09 provides a clearer picture of the patient's condition, facilitating better management and reimbursement.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of spinal conditions, improving the accuracy of diagnoses and treatment plans. M46.09 provides a clearer picture of the patient's condition, facilitating better management and reimbursement.

Reimbursement & Billing Impact

reimbursement.

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 spinal enthesopathy and degenerative disc disease?

Spinal enthesopathy involves inflammation at the attachment points of tendons and ligaments to the spine, while degenerative disc disease refers to the wear and tear of the intervertebral discs, leading to pain and potential nerve compression.