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v1.0.0
ICD-10 Guide
ICD-10 CodesL41.4

L41.4

Billable

Large plaque parapsoriasis

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/06/2025

Code Description

ICD-10 L41.4 is a billable code used to indicate a diagnosis of large plaque parapsoriasis.

Key Diagnostic Point:

L41.4 is the code for large plaque parapsoriasis, which presents as larger, well-defined plaques on the skin that can resemble psoriasis but are typically less inflammatory. This condition may be associated with an increased risk of developing skin malignancies, necessitating careful monitoring and management. Treatment may involve topical therapies, phototherapy, or systemic medications, depending on the severity and patient response.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • risk of malignancy
  • need for monitoring

Audit Risk Factors

    Specialty Focus

    Related ICD-10 Codes

    Related CPT Codes

    99204CPT Code

    Clinical Scenario

    Documentation Requirements

    ICD-10 Impact

    Diagnostic & Documentation Impact

    Enhanced Specificity

    ICD-10 Improvements

    Large plaque parapsoriasis requires careful management due to its potential complications.

    ICD-9 vs ICD-10

    Large plaque parapsoriasis requires careful management due to its potential complications.

    Reimbursement & Billing Impact

    Large plaque parapsoriasis requires careful management due to its potential complications.

    Resources

    Clinical References

    • •
      DermNet NZ

    Coding & Billing References

    • •
      DermNet NZ

    Frequently Asked Questions

    What is the risk associated with large plaque parapsoriasis?

    There is a potential risk of progression to skin cancer.

    How is it treated?

    Treatment options include topical therapies and phototherapy.