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ICD-10 Coding for Lichen Planus(L43.9, K13.79, L40.5)

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Comprehensive guide to ICD-10 coding for lichen planus, including code L43.9 for unspecified cases and L43.0 for hypertrophic types.

Related ICD-10 Code Ranges

Complete code families applicable to Lichen Planus

L00-L99Primary Range

Diseases of the skin and subcutaneous tissue

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Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescription
L43.9Lichen planus, unspecified
L43.0Hypertrophic lichen planus
L43.2Lichen planus due to drugs and medicines
Primary ICD-10-CM Codes
Lichen planus, unspecified
L43.9Billable
Differential Codes

Alternative codes to consider when ruling out similar conditions

PsoriasisL40.5

Documentation & Coding Risks

Avoid these common issues when documenting Lichen Planus.

Omitting drug causality in drug-induced cases

Impact

Clinical: Misrepresentation of patient condition., Regulatory: Potential audit failure., Financial: Loss of reimbursement for drug-related conditions.

Mitigation

Always document drug name and relationship.

Using L43.9 for oral lesions

Impact

Reimbursement: Incorrect coding can lead to denied claims., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate clinical data representation.

Mitigation

Use K13.79 for oral involvement.

Drug-induced lichen planus coding

Impact

Failure to document drug causality can lead to audits.

Mitigation

Ensure comprehensive documentation of drug history.

Frequently Asked Questions

Related condition guides

Documentation requirements, coding pitfalls and FAQs for conditions coded with L43.9.