Specific code 2014 ICD-9-CM Diagnosis Code 091.0
Genital syphilis (primary)
  • Billable Code
  • Short description: Primary genital syphilis.
  • ICD-9-CM 091.0 will be replaced by an equivalent ICD-10-CM code (or codes) when the United States transitions from ICD-9-CM to ICD-10-CM on October 1, 2015.
  • ICD-9-CM 091.0 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
Disease Synonyms
  • Early syphilis
  • Primary genital syphilis
  • Primary syphilis of genitalia
  • Syphilis genitalia, primary
Applies To
  • Genital chancre
Convert to ICD-10-CM: 091.0 converts directly to:
  • 2014 ICD-10-CM A51.0 Primary genital syphilis
ICD-9-CM Volume 2 Index entries containing back-references to 091.0:
  • Bubo 289.3
    • syphilitic 091.0
  • Chancre (any genital site) (hard) (indurated) (infecting) (primary) (recurrent) 091.0
    • Hunterian 091.0
    • Ricord's 091.0
    • Rollet's (syphilitic) 091.0
    • seronegative 091.0
    • seropositive 091.0
    • urethra 091.0
  • Hard chancre 091.0
  • Hunterian chancre 091.0
  • Induration, indurated
  • Ricord's chancre 091.0
  • Rider's
    • chancre 091.0
  • Rollet's chancre (syphilitic) 091.0
  • Syphilis, syphilitic (acquired) 097.9
    • bubo 091.0
    • chancre (multiple) 091.0
    • early NEC 091.0
      • cardiovascular 093.9
      • central nervous system 094.9
      • latent (without manifestations) (less than 2 years after infection) 092.9
        • negative spinal fluid test 092.9
        • serological relapse following treatment 092.0
        • serology positive 092.9
      • paresis 094.1
      • relapse (treated, untreated) 091.7
      • skin 091.3
      • symptomatic NEC 091.89
        • extragenital chancre 091.2
        • primary, except extragenital chancre 091.0
        • secondary (see also Syphilis, secondary) 091.3
          • relapse (treated, untreated) 091.7
      • tabes 094.0
      • ulcer 091.3
    • genital (primary) 091.0
    • penis 091.0
  • Ulcus - see also Ulcer
    • durum 091.0
  • Vaginitis (acute) (chronic) (circumscribed) (diffuse) (emphysematous) (Hemophilus vaginalis) (nonspecific) (nonvenereal) (ulcerative) 616.10
    • syphilitic (early) 091.0
  • Vulvitis (acute) (allergic) (chronic) (gangrenous) (hypertrophic) (intertriginous) 616.10
    • syphilitic (early) 091.0
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 091.0 is one of thousands of ICD-9-CM codes used in healthcare. Although ICD-9-CM and CPT codes are largely numeric, they differ in that CPT codes describe medical procedures and services. Can't find a code? Start at the root of ICD-9-CM, check the 2014 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.