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A51.1 Primary anal syphilis
BackA51Early syphilisCategory7 →A51.0Primary genital syphilisCategoryA51.1Primary anal syphilisCategoryA51.2Primary syphilis of other sitesCategoryA51.3Secondary syphilis of skin and mucous membranesCategory3 →A51.31Condyloma latumCategoryA51.32Syphilitic alopeciaCategoryA51.39Other secondary syphilis of skinCategoryA51.4Other secondary syphilisCategory7 →A51.41Secondary syphilitic meningitisCategoryA51.42Secondary syphilitic female pelvic diseaseCategoryA51.43Secondary syphilitic oculopathyCategoryA51.44Secondary syphilitic nephritisCategoryA51.45Secondary syphilitic hepatitisCategoryA51.46Secondary syphilitic osteopathyCategoryA51.49Other secondary syphilitic conditionsCategoryA51.5Early syphilis, latentCategoryA51.9Early syphilis, unspecifiedCategory
CategoryCODABLE
A51.1
Primary anal syphilis
- Chapter
- I · Certain infectious and parasitic diseases
- Section
- A50-A64
- Valid from
Source
CMS ICD-10-CM Tabular List, edition FY2026.