ICD-10 Coding for Tinea Infection(B35.1, B35.3)
Complete ICD-10-CM coding and documentation guide for Tinea Infection. Includes clinical validation requirements, documentation requirements, and coding pitfalls.
Also known as:
Related ICD-10 Code Ranges
Complete code families applicable to Tinea Infection
Code Comparison: When to Use Each Code
Compare key differences between these codes to ensure accurate selection
| Code | Description | When to Use | Key Documentation |
|---|---|---|---|
| B35.1 | Tinea unguium | Use when there is confirmed fungal infection of the nails. |
|
| B35.3 | Tinea pedis | Use for confirmed fungal infections of the feet. |
|
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 tinea unguium
Essential facts and insights about Tinea Infection
Primary ICD-10-CM Codes for tinea infection
Decision Criteria
clinical Criteria
- Nail thickening and discoloration with positive lab confirmation
Applicable To
- Onychomycosis
Excludes
- Candidal onychia (B37.2)
Clinical Validation Requirements
- KOH microscopy showing septate hyphae
- Culture confirming Trichophyton species
Code-Specific Risks
- Misclassification if not confirmed by lab tests
Coding Notes
- Ensure documentation specifies the site and confirms fungal etiology.
B35.3 - Tinea pedis
Use for confirmed fungal infections of the feet.
Applicable To
- Athlete's foot
Excludes
- Candidal intertrigo (B37.2)
Clinical Validation Requirements
- Interdigital scaling and pruritus
- Microscopy confirming dermatophyte presence
Coding Notes
Document the specific location and confirm with lab tests.
Ancillary Codes
Additional codes that should be used in conjunction with the main diagnosis codes when applicable.
Onycholysis
L60.0Documentation & Coding Risks
Avoid these common documentation and coding issues when documenting Tinea Infection to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code B35.1.
Impact
Clinical: May lead to misdiagnosis., Regulatory: Non-compliance with coding standards., Financial: Potential for denied claims.
Mitigation Strategy
Specify the site and confirm with lab tests.
Impact
Reimbursement: May lead to lower reimbursement rates., Compliance: Non-compliance with specificity requirements., Data Quality: Decreases accuracy of health records.
Mitigation Strategy
Use specific codes like B35.1 or B35.3 when the site is documented.
Impact
Risk of audits due to unspecified coding.
Mitigation Strategy
Ensure documentation supports specific ICD-10 codes.
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 Tinea Infection, with expert answers to help guide accurate code selection and documentation.
Documentation Templates for Tinea Infection
Use these documentation templates to ensure complete and accurate documentation for Tinea Infection. These templates include all required elements for proper coding and billing.
Diagnosis of tinea unguium
Specialty: DermatologyRequired Elements
- Site of infection
- Lab test results
- Treatment plan
Example Documentation
Examples: Poor vs. Good Documentation
Poor Documentation Example
Good Documentation Example
Explanation
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