ICD-10 Coding for Bilateral Foot Drop(G57.3L, G57.3U, M21.371)
Learn how to accurately code bilateral foot drop using ICD-10 codes M21.371 and M21.372. Understand documentation requirements and avoid common pitfalls.
Complete code families applicable to Bilateral Foot Drop
Compare key differences between these codes to ensure accurate selection
| Code | Description | When to Use | Key Documentation |
|---|---|---|---|
| M21.371 | Acquired foot deformity, right foot | Use when documenting right foot drop due to musculoskeletal causes. |
|
| M21.372 | Acquired foot deformity, left foot | Use when documenting left foot drop due to musculoskeletal causes. |
|
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 aboutBilateral Foot Drop
Alternative codes to consider when ruling out similar conditions
Use when EMG shows peroneal nerve lesion.
Documentation & Coding Risks
Avoid these common issues when documenting Bilateral Foot Drop.
Failing to document laterality
Impact
Clinical: Inaccurate patient records., Regulatory: Non-compliance with coding standards., Financial: Potential for denied claims.
Mitigation
Always specify right or left in clinical notes.
Using M21.379 for bilateral cases
Impact
Reimbursement: Incorrect DRG assignment leading to improper reimbursement., Compliance: Non-compliance with ICD-10 coding guidelines., Data Quality: Inaccurate clinical data affecting patient records.
Mitigation
Code both M21.371 and M21.372 for bilateral foot drop.
Laterality Documentation
Impact
Failure to document laterality can lead to audit flags.
Mitigation
Ensure all clinical notes specify right or left involvement.