A51.0
BillablePrimary genital syphilis
Primary genital syphilis
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Syphilitic chancre NOS
Includes
Conditions included under this code
- diseases generally recognized as communicable or transmissible
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
- carrier or suspected carrier of infectious disease (Z22.-)
- infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)
- infectious and parasitic diseases specific to the perinatal period (P35-P39)
- influenza and other acute respiratory infections (J00-J22)
- human immunodeficiency virus [HIV] disease (B20)
Use Additional Code
Additional codes that should follow this code
- code to identify resistance to antimicrobial drugs (Z16.-)
Also Known As / Clinical Terms
SNOMED CT
- Genital chancre186847001
- Primary genital syphilis186847001
- Bacterial balanitis236745001
- Primary syphilis266127002
- Infective dermatosis of female genitalia402706007
- Syphilitic chancre of penis402940004
- Syphilitic chancre of vulva402941000
- Syphilitic balanitis402943002
- Chancre caused by Treponema pallidum736686006
- Syphilitic chancre736686006
UMLS
- ChancreC0007939
- Chancre caused by Treponema pallidumC0007939
- Chancre caused by Treponema pallidum (disorder)C0007939
- Syphilitic chancreC0007939
- Syphilitic chancre NOSC0007939
- chancreC0007939
- chancre syphiliticC0007939
- chancresC0007939
- primary syphilisC0007939
- syphilis primaryC0007939
- Genital chancreC0017418
- Genital syphilis (primary)C0017418
- Primary genital syphilisC0017418
- Primary genital syphilis (disorder)C0017418
- Syphilis genitalC0017418
Frequently Asked Questions
What is ICD-10 code A51.0?
ICD-10-CM code A51.0 represents "Primary genital syphilis". It is a billable/specific code that can be used on a claim.
Is A51.0 a billable code?
Yes, A51.0 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is A51.0 in?
A51.0 is in Chapter 1: Certain Infectious and Parasitic Diseases (codes A00-B99).
What codes cannot be used with A51.0?
A51.0 has Excludes1 notes indicating codes that cannot be used together with it, including: certain localized infections - see body system-related chapters; nonspecific and nongonococcal urethritis (N34.1); Reiter's disease (M02.3-).
Are additional codes required with A51.0?
Yes, when using A51.0 you should also code: code to identify resistance to antimicrobial drugs (Z16.-).
What SNOMED CT codes does A51.0 map to?
A51.0 maps to 8 SNOMED CT concepts: 236745001, 736686006, 186847001, 402706007, 266127002, and 3 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for A51.0?
A51.0 is linked to 2 UMLS Concept Unique Identifiers: C0007939, C0017418. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.