A50.9

What This Code Means

This code describes syphilis that was passed from a mother to her baby during pregnancy or birth, but the specific type or manifestation is not documented. Congenital syphilis can affect multiple body systems including the skin, bones, eyes, and nervous system.

Coding Tips

• •Use this code only when the documentation confirms congenital syphilis but does not specify the particular manifestation (such as early congenital syphilis, late congenital syphilis, or specific organ involvement); if manifestations are documented, use more specific A50 codes (A50.0-A50.7)
• •Verify that the syphilis is truly congenital (acquired in utero or during birth) rather than acquired syphilis; congenital cases typically appear in newborn or pediatric records with maternal syphilis history