ICD-10 Coding for Fungal Nail Infection(B35.1, B35.1B, B35.1C)

Learn about the ICD-10 coding for fungal nail infections, including documentation requirements, common pitfalls, and billing considerations.

Also known as:
OnychomycosisTinea Unguium
Related ICD-10 Code Ranges

Complete code families applicable to Fungal Nail Infection

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescription
B35.1Tinea unguium
L60.3Nail dystrophy

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 aboutFungal Nail Infection

Primary ICD-10-CM Codes
Differential Codes

Alternative codes to consider when ruling out similar conditions

Nail psoriasisL40.5
Tinea unguiumB35.1

Documentation & Coding Risks

Avoid these common issues when documenting Fungal Nail Infection.

Documenting suspected fungal infection without confirmation

Impact

Clinical: Potential for misdiagnosis and inappropriate treatment., Regulatory: Non-compliance with coding standards., Financial: Denied claims and potential audits.

Mitigation

Always confirm with lab tests before coding., Educate staff on documentation standards.

Coding B35.1 without lab confirmation

Impact

Reimbursement: Claims may be denied if lab confirmation is not documented., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate clinical data and statistics.

Mitigation

Ensure lab tests confirm fungal infection before using B35.1.

Use of B35.1 without lab confirmation

Impact

High risk of audit if B35.1 is used without documented lab results.

Mitigation

Implement mandatory lab testing for all suspected fungal infections.

Frequently Asked Questions