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ICD-10 Guide
ICD-10 CodesM46.08

M46.08

Billable

Spinal enthesopathy, sacral and sacrococcygeal region

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

Code Description

ICD-10 M46.08 is a billable code used to indicate a diagnosis of spinal enthesopathy, sacral and sacrococcygeal region.

Key Diagnostic Point:

Spinal enthesopathy refers to a condition characterized by inflammation and degeneration at the sites where tendons and ligaments attach to the bone, particularly in the sacral and sacrococcygeal regions. This condition is often associated with various inflammatory spine diseases, including ankylosing spondylitis, which is a type of spondyloarthritis that primarily affects the spine and the sacroiliac joints. Patients may present with chronic pain, stiffness, and reduced mobility, particularly in the lower back. The enthesopathy can lead to significant discomfort and functional impairment, as the inflammation can affect the surrounding soft tissues and contribute to spinal stenosis, where the spinal canal narrows and compresses the spinal cord and nerves. Diagnosis typically involves clinical evaluation, imaging studies such as MRI or X-rays, and sometimes laboratory tests to rule out other conditions. Treatment may include anti-inflammatory medications, physical therapy, and in some cases, surgical intervention if conservative measures fail. Understanding the underlying inflammatory processes is crucial for effective management and coding of this condition.

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 spine diseases
  • Variability in clinical presentation among patients

Audit Risk Factors

  • Inadequate documentation of clinical findings
  • Failure to specify the location of enthesopathy
  • Misclassification with other spinal disorders
  • Lack of supporting imaging studies

Specialty Focus

Medical Specialties

Rheumatology

Documentation Requirements

Detailed history of symptoms, physical examination findings, imaging results, and treatment plans.

Common Clinical Scenarios

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

Billing Considerations

Ensure that all inflammatory markers and imaging studies are documented to support the diagnosis.

Orthopedics

Documentation Requirements

Comprehensive assessment of spinal alignment, mobility, and any surgical interventions performed.

Common Clinical Scenarios

Patients with severe spinal stenosis requiring surgical evaluation or intervention.

Billing Considerations

Document any surgical findings and post-operative outcomes to justify coding.

Coding Guidelines

Inclusion Criteria

Use M46.08 When
  • According to ICD
  • 10 guidelines, M46
  • 08 should be used when there is clear documentation of enthesopathy in the sacral and sacrococcygeal region
  • It is important to ensure that the diagnosis is supported by clinical findings and imaging studies

Exclusion Criteria

Do NOT use M46.08 When
  • Exclusion criteria include conditions that do not involve enthesopathy

Related ICD-10 Codes

Related CPT Codes

20610CPT Code

Arthrocentesis, aspiration and/or injection into a major joint or bursa

Clinical Scenario

Used when injecting corticosteroids for enthesopathy-related pain.

Documentation Requirements

Document the joint/bursa involved, the substance injected, and the rationale for the procedure.

Specialty Considerations

Rheumatologists should ensure that the injection site is clearly documented.

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, including enthesopathy, which enhances the ability to track and manage these conditions effectively. It has improved the granularity of data for research and treatment outcomes.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of spinal conditions, including enthesopathy, which enhances the ability to track and manage these conditions effectively. It has improved the granularity of data for research and treatment outcomes.

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 primary cause of spinal enthesopathy?

Spinal enthesopathy is primarily caused by inflammatory conditions such as ankylosing spondylitis, which leads to inflammation at the sites where tendons and ligaments attach to the bone.