A50.1 is the ICD-10 code for Early congenital syphilis, latent. It is a four-character subcategory of A50 (Congenital syphilis), the most specific level in the WHO edition. It belongs to the block A50–A64 (Infections with a predominantly sexual mode of transmission) in Chapter I, Certain infectious and parasitic diseases.
- Code type
- Subcategory (4 characters)
- Chapter
- I · A00–B99
- Classification
- WHO ICD-10, 2019 version
Coding notes
- Congenital syphilis without clinical manifestations, with positive serological reaction and negative spinal fluid test, less than two years after birth.
A50.1 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
A50.1Latent medfødt tidlig syfilis
DA501Tidlig medfødt latent syfilis
A50.1Piilevä synnynnäinen varhaiskuppa
A50.1Latente konnatale Frühsyphilis
A50.1Syphilis congénitale précoce, latente
A50.1vroege congenitalesyfilis, latent
A50.1Early congenital syphilis, latent
Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.
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