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A50.5

⚠ Non-billable (Header)

Other late congenital syphilis, symptomatic

Certain infectious and parasitic diseases (A00-B99)

⚠️ This is a category header code — not billable. Use a more specific child code below.

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Also Known As

Any congenital syphilitic condition specified as late or manifest two years or more after birth.
✅ No additional coding notes for A50.5

Child Codes (8)

A50.51Clutton's jointsA50.52Hutchinson's teethA50.53Hutchinson's triadA50.54Late congenital cardiovascular syphilisA50.55Late congenital syphilitic arthropathyA50.56Late congenital syphilitic osteochondropathyA50.57Syphilitic saddle noseA50.59Other late congenital syphilis, symptomatic

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Code Information

CodeA50.5
BillableNo — Header code
ParentA50
CategoryCertain infectious and parasitic diseases (A00-B99)
Excludes10 rule(s)
Excludes20 note(s)
Child codes8

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)