ICD-10 Coding for Lichen Planus(K13.79, K13.79U, L40.5P)
Comprehensive guide to ICD-10 coding for lichen planus, including code L43.9 for unspecified cases and L43.0 for hypertrophic types.
Complete code families applicable to Lichen Planus
Compare key differences between these codes to ensure accurate selection
| Code | Description | When to Use | Key Documentation |
|---|---|---|---|
| L43.9 | Lichen planus, unspecified | Use when lichen planus is diagnosed but not further specified. |
|
| L43.0 | Hypertrophic lichen planus | Use when hypertrophic lesions are present. |
|
| L43.2 | Lichen planus due to drugs and medicines | Use when a drug is identified as the cause. |
|
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 aboutLichen Planus
Alternative codes to consider when ruling out similar conditions
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.