Source Code Name Case count Share of cases (%)
OUTPAT OUTPAT_ICD10(A521) Symptomatic neurosyphilis 232
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(A521) Symptomatic neurosyphilis. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 111
OUTPAT OUTPAT_ICD10(A510) Primary genital syphilis 102
OUTPAT OUTPAT_ICD10(A513) Secondary syphilis of skin and mucous membranes 80
INPAT INPAT_ICD10(A521) Symptomatic neurosyphilis 71
OUTPAT OUTPAT_ICD10(A519) Early syphilis, unspecified 45
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(A513) Secondary syphilis of skin and mucous membranes. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 41
OUTPAT OUTPAT_ICD10(A539) Syphilis, unspecified 40
INPAT INPAT_ICD8(09100) Early syphilis, symptomatic, Primary syphilis, except extragenital chancre 39
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(A5275) Unspecified syphilis in the mouth. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 37
INPAT INPAT_ICD10(A539) Syphilis, unspecified 22
OUTPAT OUTPAT_ICD10(A5275) Unspecified syphilis in the mouth 21
INPAT INPAT_ICD9(0913A) Secondary syphilis of skin or mucous membranes 18
OUTPAT OUTPAT_ICD10(A515) Early syphilis, latent 17
INPAT INPAT_ICD10(A519) Early syphilis, unspecified 15
INPAT INPAT_ICD8(09120) Early syphilis, symptomatic, Secondary syphilis of skin and mucous membranes 15
OUTPAT OUTPAT_ICD10(A530) Latent syphilis, unspecified as early or late 15
OUTPAT OUTPAT_ICD10(A529) Late syphilis, unspecified 13
OUTPAT OUTPAT_ICD10(A514) Other secondary syphilis 11
INPAT INPAT_ICD10(A510) Primary genital syphilis 10
INPAT INPAT_ICD10(A513) Secondary syphilis of skin and mucous membranes 10
OUTPAT OUTPAT_ICD10(A5279) Other symptomatic late syphilis 9
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(A539) Syphilis, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 9
INPAT INPAT_ICD8(09299) Early syphilis, latent, unspecified 8
OUTPAT OUTPAT_ICD10(A523) Neurosyphilis, unspecified 8
OUTPAT OUTPAT_ICD10(A528) Late syphilis, latent 8
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(A510) Primary genital syphilis. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 8
INPAT INPAT_ICD10(A529) Late syphilis, unspecified 7
INPAT INPAT_ICD10(A530) Latent syphilis, unspecified as early or late 7
INPAT INPAT_ICD8(09710) Other syphilis and not specified, Latent syphilis, unspecified 7
INPAT INPAT_ICD10(A514) Other secondary syphilis 6
INPAT INPAT_ICD10(A515) Early syphilis, latent 6
INPAT INPAT_ICD10(A522) Asymptomatic neurosyphilis 6
INPAT INPAT_ICD10(A523) Neurosyphilis, unspecified 6
INPAT INPAT_ICD9(0910A) Genital syphilis (primary) 6
INPAT INPAT_ICD10(A520) Cardiovascular syphilis 5
INPAT INPAT_ICD10(A5279) Other symptomatic late syphilis 5
OUTPAT OUTPAT_ICD10(A511) Primary anal syphilis 5
OUTPAT OUTPAT_ICD10(A512) Primary syphilis of other sites 5
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(A529) Late syphilis, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 5