L42
✓ BillablePityriasis rosea
Diseases of the skin and subcutaneous tissue (L00-L99)
Clinical Description
ICD-10-CM code L42 represents pityriasis rosea. This code falls under the Diseases of the skin and subcutaneous tissue (L00-L99) classification. It is a billable/specific code valid for HIPAA-covered transactions as of October 1, 2025 (FY2026). This code can be used to indicate a diagnosis for reimbursement purposes on insurance claims.
Frequently Asked Questions
What is ICD-10 code L42?
ICD-10-CM code L42 is "Pityriasis rosea". It belongs to the category: Diseases of the skin and subcutaneous tissue (L00-L99).
Is L42 a billable ICD-10 code?
Yes, L42 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
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Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)