ICD-10 Coding for Right Foot Drop(G57.3, G57.3L, G57.3N)

Learn about ICD-10 coding for right foot drop, including when to use M21.371 and G57.3, documentation requirements, and coding pitfalls.

Also known as:
Foot DropDrop Foot
Related ICD-10 Code Ranges

Complete code families applicable to Right Foot Drop

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescription
M21.371Acquired right foot drop
G57.3Lesion of lateral popliteal nerve

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

Essential facts and insights aboutRight Foot Drop

Differential Codes

Alternative codes to consider when ruling out similar conditions

Monoparesis of lower limbG83.1

Use if weakness extends beyond dorsiflexion/eversion.

Intervertebral disc disorders with radiculopathy, lumbar regionM51.16

Use if MRI confirms lumbar disc herniation causing foot drop.

Documentation & Coding Risks

Avoid these common issues when documenting Right Foot Drop.

Omitting laterality in documentation

Impact

Clinical: May lead to incorrect treatment planning., Regulatory: Non-compliance with ICD-10 coding standards., Financial: Potential for denied claims.

Mitigation

Use templates that prompt for laterality., Educate staff on importance of specificity.

Using M21.371 without specifying laterality

Impact

Reimbursement: May lead to incorrect DRG assignment., Compliance: Non-compliance with ICD-10 specificity requirements., Data Quality: Reduces accuracy of clinical data.

Mitigation

Always specify 'right' or 'left' in documentation.

Not coding the underlying cause first

Impact

Reimbursement: Incorrect sequencing can affect reimbursement., Compliance: Violates coding guidelines for sequencing., Data Quality: Impacts the accuracy of clinical data.

Mitigation

Code the underlying condition, such as G57.3, before M21.371.

Incorrect Sequencing

Impact

Failure to code underlying cause before foot drop.

Mitigation

Educate coders on sequencing rules.

Frequently Asked Questions