A51.2
BillablePrimary syphilis of other sites
Primary syphilis of other sites
Coding Notes
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
- Primary syphilis of tonsils10345003
- Primary tonsil syphilis10345003
- Primary breast syphilis27460003
- Primary syphilis of breast27460003
- Primary lip syphilis28198007
- Primary syphilis of lip28198007
- Primary finger syphilis54274001
- Primary syphilis of fingers54274001
- Oral syphilis235062007
- Syphilis of breast237446005
- Chancre of nipple237447001
- Primary syphilis of nipple237447001
- Nipple infection237462004
- Primary extragenital syphilis240556008
- Thelitis370501004
- Syphilitic chancre of oral mucous membranes402942007
- Chancre caused by Treponema pallidum736686006
- Syphilitic chancre736686006
Frequently Asked Questions
What is ICD-10 code A51.2?
ICD-10-CM code A51.2 represents "Primary syphilis of other sites". It is a billable/specific code that can be used on a claim.
Is A51.2 a billable code?
Yes, A51.2 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is A51.2 in?
A51.2 is in Chapter 1: Certain Infectious and Parasitic Diseases (codes A00-B99).
What codes cannot be used with A51.2?
A51.2 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 A51.2?
Yes, when using A51.2 you should also code: code to identify resistance to antimicrobial drugs (Z16.-).
What SNOMED CT codes does A51.2 map to?
A51.2 maps to 12 SNOMED CT concepts: 736686006, 237447001, 237462004, 235062007, 27460003, and 7 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for A51.2?
A51.2 is linked to 1 UMLS Concept Unique Identifier: C0348146. 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.