ICD-10 diagnosis code

A53 Other and unspecified syphilis

A53 is the ICD-10 code for Other and unspecified syphilis. It is a three-character category divided into 2 subcodes; use the subcode whenever the record supports that level of detail. 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: Category (3 characters)
Chapter: I · A00–B99
Classification: WHO ICD-10, 2019 version

Subcodes of A53

A53 in national editions

Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.

SwedenICD-10-SE

A53Annan och ospecificerad syfilis

DenmarkICD-10-DK

DA53Anden syfilis og syfilis UNS

FinlandICD-10-FI

A53Muu ja määrittämätön kuppa

GermanyICD-10-GM

A53Sonstige und nicht näher bezeichnete Syphilis

FranceICD-10-FR

A53Syphilis, autres et sans précision

NetherlandsICD-10-NL

A53overige en niet gespecificeerde syfilis

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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