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ICD-10 Coding for Spondylolysis(M43.16, M43.10)

Complete ICD-10-CM coding and documentation guide for Spondylolysis. Includes clinical validation requirements, documentation requirements, and coding pitfalls.

Also known as:

Pars Interarticularis DefectSpinal Stress Fracture

Related ICD-10 Code Ranges

Complete code families applicable to Spondylolysis

M43.1-Primary Range

Other spondylolysis

This range includes codes for spondylolysis, specifying the anatomical location and laterality.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
M43.16Spondylolysis, lumbar regionUse when imaging confirms a lumbar pars defect and documentation specifies laterality.
  • Imaging confirmation of pars interarticularis defect
  • Documentation of unilateral or bilateral involvement
M43.10Spondylolysis, site unspecifiedUse when the specific site of spondylolysis is not documented.
  • Lack of specific site documentation

Clinical Decision Support

Always review the patient's clinical documentation thoroughly. When in doubt, choose the more specific code and ensure documentation supports it.

Key Information: ICD-10 code for lumbar spondylolysis

Essential facts and insights about Spondylolysis

The ICD-10 code for lumbar spondylolysis is M43.16, which specifies the lumbar region and requires documentation of laterality.

Primary ICD-10-CM Codes for spondylolysis

Spondylolysis, lumbar region
Billable Code

Decision Criteria

clinical Criteria

  • Imaging shows lumbar pars defect

documentation Criteria

  • Laterality is specified

Applicable To

  • Lumbar spondylolysis

Excludes

Clinical Validation Requirements

  • Imaging confirmation of pars interarticularis defect
  • Documentation of unilateral or bilateral involvement

Code-Specific Risks

  • Risk of using unspecified site code when lumbar region is documented.

Coding Notes

  • Ensure documentation specifies the anatomical site and laterality to avoid unspecified coding.

Ancillary Codes

Additional codes that should be used in conjunction with the main diagnosis codes when applicable.

Low back pain

M54.5
Use when low back pain is documented alongside spondylolysis.

Differential Codes

Alternative codes to consider when ruling out similar conditions to the primary diagnosis.

Spondylolysis, site unspecified

M43.10
Use only when the specific site is not documented or imaging is unavailable.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Spondylolysis to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code M43.16.

Impact

Clinical: Inaccurate clinical records, Regulatory: Potential for audit issues, Financial: Reduced reimbursement

Mitigation Strategy

Use templates that prompt for laterality.

Impact

Reimbursement: Incorrect coding may lead to reduced reimbursement., Compliance: Non-compliance with coding guidelines., Data Quality: Decreased accuracy in clinical data.

Mitigation Strategy

Use M43.16 when lumbar involvement is confirmed.

Impact

High risk of audit if unspecified codes are used when specific site is documented.

Mitigation Strategy

Always document and code the specific site and laterality.

Documentation errors, coding pitfalls, and audit risks are interconnected aspects of medical coding and billing. Addressing all three areas helps ensure accurate coding, optimal reimbursement, and regulatory compliance.

Frequently Asked Questions

Common questions about ICD-10 coding for Spondylolysis, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Spondylolysis

Use these documentation templates to ensure complete and accurate documentation for Spondylolysis. These templates include all required elements for proper coding and billing.

Orthopedic evaluation of spondylolysis

Specialty: Orthopedics

Required Elements

  • Imaging findings
  • Physical exam results
  • Assessment and plan

Example Documentation

Exam: Positive stork test. Imaging: SPECT shows uptake at L5 pars. Assessment: Bilateral L5 spondylolysis without listhesis. Plan: LSO brace, PT for core stabilization.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Low back pain due to spondylolysis
Good Documentation Example
Bilateral L5 pars defects without slippage, confirmed by CT (slice 3.2mm)
Explanation
The good example specifies the site, laterality, and imaging confirmation.

Need help with ICD-10 coding for Spondylolysis? Ask your questions below.

Ask about any ICD-10 CM code, or paste a medical note

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