L51.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
The 2018 edition of ICD-10-CM L51.9 became effective on October 1, 2017.
This is the American ICD-10-CM version of L51.9 - other international versions of ICD-10 L51.9 may differ.