ICD-10-CM A50.42: Late congenital syphilitic encephalitis

ICD-10-CM Diagnosis Code (2025)

Official Description for A50.42

Late congenital syphilitic encephalitis

Parent Code (Less Specific):

About ICD-10-CM Code A50.42 (Late congenital syphilitic encephalitis)

ICD-10-CM code A50.42 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM A50.42 became effective on October 1, 2024.

This page provides detailed information about A50.42 - Late congenital syphilitic encephalitis. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Late congenital syphilitic encephalitis.