ICD-10 Coding for Tinea(B35.1, B35.3)
Complete ICD-10-CM coding and documentation guide for Tinea. Includes clinical validation requirements, documentation requirements, and coding pitfalls.
Also known as:
Related ICD-10 Code Ranges
Complete code families applicable to Tinea
B35.0-B35.9Primary Range
Dermatophytosis
This range covers various types of tinea infections, including tinea capitis, tinea corporis, and tinea unguium.
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
Primary ICD-10-CM Codes for tinea
Decision Criteria
clinical Criteria
- Presence of nail thickening and positive KOH test.
Applicable To
- Onychomycosis
Excludes
- Nail psoriasis (L40.9)
Clinical Validation Requirements
- Subungual hyperkeratosis
- Onycholysis >50% nail plate
- KOH preparation positive for hyphae
Code-Specific Risks
- Using unspecified codes when nail involvement is documented.
Coding Notes
- Ensure documentation specifies the nail involvement and confirmatory tests.
B35.3 - Tinea pedis
Use for confirmed fungal infections of the feet.
Applicable To
- Athlete's foot
Excludes
- Interdigital dermatitis (L30.4)
Clinical Validation Requirements
- Maceration and scaling in toe web spaces
- Positive KOH preparation
Coding Notes
Document specific location and confirmatory tests.
Ancillary Codes
Additional codes that should be used in conjunction with the main diagnosis codes when applicable.
Escherichia coli as the cause of diseases classified elsewhere
B96.2Documentation & Coding Risks
Avoid these common documentation and coding issues when documenting Tinea 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 incorrect treatment., Regulatory: Non-compliance with documentation standards., Financial: Potential for claim denials.
Mitigation Strategy
Use specific terms like 'tinea pedis' or 'onychomycosis'., Include confirmatory test results.
Impact
Reimbursement: May lead to lower reimbursement rates., Compliance: Non-compliance with coding guidelines., Data Quality: Decreases accuracy of health data.
Mitigation Strategy
Ensure documentation specifies the type and location of tinea.
Impact
Lack of specific site and confirmatory test results.
Mitigation Strategy
Ensure comprehensive documentation of infection site and test results.
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, with expert answers to help guide accurate code selection and documentation.
Documentation Templates for Tinea
Use these documentation templates to ensure complete and accurate documentation for Tinea. These templates include all required elements for proper coding and billing.
Onychomycosis in diabetic patient
Specialty: PodiatryRequired Elements
- History of nail changes
- Physical examination findings
- Diagnostic test results
- Diagnosis
Examples: Poor vs. Good Documentation
Poor Documentation Example
Good Documentation Example
Explanation
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