A51.3 is the ICD-10 code for Secondary syphilis of skin and mucous membranes. It is a four-character subcategory of A51 (Early 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
What A51.3 includes
Conditions and terms that are coded here.
A51.3 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
A51.3Sekundär syfilis i hud och slemhinnor
- A51.3ACondyloma latum
- A51.3BSyfilitisk (sekundär) alopeci
- A51.3CSyfilitisk leukoderma
- A51.3XSekundär syfilis i hud och slemhinnor, ospecificerad
A51.3Sekundær syfilis i hud eller slimhinner
DA513Sekundær syfilis i hud eller slimhinder
- DA513ACondyloma syphiliticum
- DA513FSyfilitisk mukøst plaque
A51.3Ihon ja limakalvojen sekundaarinen kuppa
A51.3Sekundäre Syphilis der Haut und der Schleimhäute
A51.3Syphilis secondaire de la peau et des muqueuses
A51.3secundaire syfilis van huid en slijmvliezen
Listed through more specific codes:
- A51.31Condyloma latum
- A51.32Syphilitic alopecia
- A51.39Other secondary syphilis of skin
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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