Source Code Name Case count Share of cases (%)
OUTPAT OUTPAT_ICD10(A521) Symptomatic neurosyphilis 295
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(A521) Symptomatic neurosyphilis. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 154
OUTPAT OUTPAT_ICD10(A510) Primary genital syphilis 153
OUTPAT OUTPAT_ICD10(A513) Secondary syphilis of skin and mucous membranes 126
INPAT INPAT_ICD10(A521) Symptomatic neurosyphilis 99
OUTPAT OUTPAT_ICD10(A519) Early syphilis, unspecified 70
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! 59
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(A5275) Unspecified syphilis in the mouth. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 56
OUTPAT OUTPAT_ICD10(A539) Syphilis, unspecified 54
INPAT INPAT_ICD8(09100) Early syphilis, symptomatic, Primary syphilis, except extragenital chancre 41
INPAT INPAT_ICD10(A539) Syphilis, unspecified 28
OUTPAT OUTPAT_ICD10(A5275) Unspecified syphilis in the mouth 25
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(A539) Syphilis, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 25
INPAT INPAT_ICD9(0913A) Secondary syphilis of skin or mucous membranes 23
OUTPAT OUTPAT_ICD10(A530) Latent syphilis, unspecified as early or late 23
INPAT INPAT_ICD10(A519) Early syphilis, unspecified 21
INPAT INPAT_ICD8(09120) Early syphilis, symptomatic, Secondary syphilis of skin and mucous membranes 20
OUTPAT OUTPAT_ICD10(A515) Early syphilis, latent 20
OUTPAT OUTPAT_ICD10(A529) Late syphilis, unspecified 18
OUTPAT OUTPAT_ICD10(A514) Other secondary syphilis 16
OUTPAT OUTPAT_ICD10(A528) Late syphilis, latent 14
INPAT INPAT_ICD8(09299) Early syphilis, latent, unspecified 13
INPAT INPAT_ICD10(A510) Primary genital syphilis 12
OUTPAT OUTPAT_ICD10(A523) Neurosyphilis, unspecified 12
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(A510) Primary genital syphilis. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 12
INPAT INPAT_ICD10(A523) Neurosyphilis, unspecified 11
INPAT INPAT_ICD10(A529) Late syphilis, unspecified 11
INPAT INPAT_ICD8(09710) Other syphilis and not specified, Latent syphilis, unspecified 11
INPAT INPAT_ICD10(A513) Secondary syphilis of skin and mucous membranes 10
OUTPAT OUTPAT_ICD10(A5279) Other symptomatic late syphilis 9
INPAT INPAT_ICD10(A522) Asymptomatic neurosyphilis 8
INPAT INPAT_ICD9(0910A) Genital syphilis (primary) 8
INPAT INPAT_ICD10(A530) Latent syphilis, unspecified as early or late 7
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(A529) Late syphilis, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 7
INPAT INPAT_ICD10(A514) Other secondary syphilis 6
INPAT INPAT_ICD10(A515) Early syphilis, latent 6
INPAT INPAT_ICD10(A520) Cardiovascular syphilis 6
OUTPAT OUTPAT_ICD10(A509) Congenital syphilis, unspecified 6
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(A5051) Other late congenital syphilis, Huchinson'sn front teeth. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 6
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(A53) Other and unspecified syphilis. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 6
OUTPAT OUTPAT_ICD10(A511) Primary anal syphilis 5
OUTPAT OUTPAT_ICD10(A512) Primary syphilis of other sites 5
OUTPAT OUTPAT_ICD10(A522) Asymptomatic neurosyphilis 5