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Home/Diagnosis/ICD-10 Coding for Lichen Planus

ICD-10 Coding for Lichen Planus

L43.9
L43.0
L43.2

Complete ICD-10-CM coding and documentation guide for icd-10 coding for lichen planus includes clinical validation requirements, medical necessity guidelines, and coding policies.

Also Known as:
Lichen Ruber Planus
LP
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Key Information: ICD-10 Coding for Lichen Planus

Essential facts and insights about ICD-10 Coding for Lichen Planus

Use ICD-10 code L43.9 for lichen planus, unspecified, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Lichen planus, unspecified

Billable Code
L43.9
Billable

Diagnostic Criteria

  • • Presence of characteristic skin lesions without specific subtype identification.

Applicable To

  • • Generalized lichen planus

Important Notes

  • • Ensure to specify if oral involvement is present.

Hypertrophic lichen planus

Billable Code
L43.0
Billable

Applicable To

  • • Thickened, hyperkeratotic plaques

Important Notes

  • • Document specific lesion characteristics.

Lichen planus due to drugs and medicines

Billable Code
L43.2
Billable

Applicable To

  • • Drug-induced lichenoid eruption

Important Notes

  • • Ensure drug causality is clearly documented.
Ancillary Codes

Additional codes that may be used with this diagnosis

K13.79

Other diseases of oral soft tissues

Use for oral involvement of lichen planus.

Frequently Asked Questions

What is the ICD-10 code for lichen planus?

The ICD-10 code for unspecified lichen planus is L43.9. Specific types like hypertrophic lichen planus are coded as L43.0.

How to code drug-induced lichen planus?

Use L43.2 for drug-induced lichen planus and add a code for the causative drug from T36-T50.

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