ICD-10 Coding for Bunion(M20.11, M20.11B, M20.11H)

Comprehensive guide to ICD-10 coding for bunions, including hallux valgus. Learn about code selection, documentation requirements, and common pitfalls.

Also known as:
Hallux ValgusBunion Deformity
Related ICD-10 Code Ranges

Complete code families applicable to Bunion

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescription
M20.11Hallux valgus (acquired), right foot
M21.611Bunion, right foot

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 aboutBunion

Differential Codes

Alternative codes to consider when ruling out similar conditions

Bunion, right footM21.611

Use when there is no structural deformity, only cosmetic prominence.

Hallux valgus (acquired), right footM20.11

Use when there is a structural deformity with lateral deviation.

Documentation & Coding Risks

Avoid these common issues when documenting Bunion.

Omitting laterality in documentation.

Impact

Clinical: Ambiguity in treatment records., Regulatory: Non-compliance with documentation standards., Financial: Potential claim denials.

Mitigation

Always document laterality in clinical notes., Use templates that prompt for laterality.

Confusing bunion with hallux valgus.

Impact

Reimbursement: Incorrect coding may lead to denied claims., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate patient records.

Mitigation

Verify structural deformity and lateral deviation for hallux valgus.

Incorrect code selection

Impact

Using M21.611 for cases with structural deformity.

Mitigation

Implement regular training on code differentiation.

Frequently Asked Questions