A50.4
⚠ Non-billable
Late congenital neurosyphilis [juvenile neurosyphilis]
ICD-10-CM · FY2026 · Certain Infectious and Parasitic Diseases
Code
A50.4
System
ICD-10-CM
Billable
No — use specific code
Effective
FY2026
Chapter
Certain Infectious and Parasitic Diseases
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code A50.4?
ICD-10-CM code A50.4 represents Late congenital neurosyphilis [juvenile neurosyphilis]. It is a non-billable header code requiring a more specific subcategory in the Certain Infectious and Parasitic Diseases chapter, effective October 1, 2025 – September 30, 2026.
Is A50.4 billable?
No. A50.4 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is A50.4 in?
A50.4 belongs to the Certain Infectious and Parasitic Diseases chapter (A00–B99) of ICD-10-CM.
Related codes in the A50 category
A50
Congenital syphilis
Non-billable
A50.0
Early congenital syphilis, symptomatic
Non-billable
A50.1
Early congenital syphilis, latent
Billable
A50.2
Early congenital syphilis, unspecified
Billable
A50.3
Late congenital syphilitic oculopathy
Non-billable
A50.5
Other late congenital syphilis, symptomatic
Non-billable
A50.6
Late congenital syphilis, latent
Billable
A50.7
Late congenital syphilis, unspecified
Billable
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