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Diagnosis Code

A51.0 PRIMARY GENITAL SYPHILIS

Code Information

Diagnosis Code: A51.0

Short Description: Primary genital syphilis

Long Description: Primary genital syphilis

The code A51.0 is VALID for claim submission

Code Classification:

  • Certain infectious and parasitic diseases (A00–B99)
    • Infections with a predominantly sexual mode of transmission (A50-A64)
      • Early syphilis (A51)
        • A51.0 Primary genital syphilis

Code Version: 2020 ICD-10-CM

Synonyms

  • Bacterial balanitis
  • Early symptomatic syphilis
  • Infective dermatosis of female genitalia
  • Primary genital syphilis
  • Primary symptomatic early syphilis
  • Primary syphilis
  • Syphilitic balanitis
  • Syphilitic chancre
  • Syphilitic chancre of penis
  • Syphilitic chancre of vulva

Diagnostic Related Group(s)

The code A51.0 is grouped in the following Diagnostic Related Group(s) (MS-DRG v37.0)
  • Inflammation Of The Male Reproductive System With Mcc (727)
  • Inflammation Of The Male Reproductive System Without Mcc (728)

References to Index of Diseases and Injuries

The code A51.0 has the following ICD-10-CM references to the Index of Diseases and Injuries
  • Inclusion Terms:
    • Syphilitic chancre NOS

Crosswalk Information

ICD-10 Code ICD-9 Code ICD-9 Description
A51.0 Right Arrow 091.0 Primary genital syphilis
This ICD-10 to ICD-9 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-10 Code ICD-10 Description
A51 Early syphilis
A51.1 Primary anal syphilis
A51.2 Primary syphilis of other sites
A51.3 Secondary syphilis of skin and mucous membranes
A51.31 Condyloma latum
A51.32 Syphilitic alopecia
A51.39 Other secondary syphilis of skin
A51.4 Other secondary syphilis
A51.41 Secondary syphilitic meningitis
A51.42 Secondary syphilitic female pelvic disease
A51.43 Secondary syphilitic oculopathy
A51.44 Secondary syphilitic nephritis
A51.45 Secondary syphilitic hepatitis
A51.46 Secondary syphilitic osteopathy
A51.49 Other secondary syphilitic conditions
A51.5 Early syphilis, latent
A51.9 Early syphilis, unspecified
This page was last updated on: 10/1/2019
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