Hydroa aestivale
Hydroa estivale
Polymorphic light eruption
L56.4 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
The 2023 edition of ICD-10-CM L56.4 became effective on October 1, 2022.
This is the American ICD-10-CM version of L56.4 – other international versions of ICD-10 L56.4 may differ.