A51.5
BillableEarly syphilis, latent
Early syphilis, latent
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Syphilis (acquired) without clinical manifestations, with positive serological reaction and negative spinal fluid test, less than two years after infection.
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
- Early latent syphilis, positive serology, negative cerebrospinal fluid, with relapse after treatment1107004
- Early latent syphilis, positive serology, negative cerebrospinal fluid, less than 2 years after infection31137003
- Latent syphilis (+ sero.)67125004
- Latent syphilis with positive serology67125004
- Latent early syphilis186867005
- Serological relapse after treatment of latent early syphilis186868000
- Acquired syphilis240555007
- Acquired syphilis - early latent266130009
- Latent syphilis444150000
UMLS
- Early Latent SyphilisC0275842
- Early latent syphilis, positive serology, negative cerebrospinal fluid, less than 2 years after infectionC0275842
- Early latent syphilis, positive serology, negative cerebrospinal fluid, less than 2 years after infection (disorder)C0275842
- Early syphilis, latentC0275842
- Early syphilis, latent, unspecifiedC0275842
- Latent early syphilisC0275842
- Latent early syphilis (disorder)C0275842
- Syphilis (acquired) without clinical manifestations, with positive serological reaction and negative spinal fluid test, less than two years after infection.C2893339
Frequently Asked Questions
What is the ICD-10 code for early syphilis, latent?
The ICD-10-CM code for early syphilis, latent is A51.5. The full clinical description is "Early syphilis, latent". A51.5 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code A51.5 mean?
ICD-10-CM code A51.5 represents "Early syphilis, latent". It is classified under Chapter 1: Certain Infectious and Parasitic Diseases and is a billable/specific code that can be used on a claim.
Is A51.5 a billable code?
Yes, A51.5 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is A51.5 in?
A51.5 is in Chapter 1: Certain Infectious and Parasitic Diseases (codes A00-B99).
What codes cannot be used with A51.5?
A51.5 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 A51.5?
Yes, when using A51.5 you should also code: code to identify resistance to antimicrobial drugs (Z16.-).
What SNOMED CT codes does A51.5 map to?
A51.5 maps to 8 SNOMED CT concepts: 240555007, 266130009, 31137003, 1107004, 186867005, and 3 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for A51.5?
A51.5 is linked to 2 UMLS Concept Unique Identifiers: C0275842, C2893339. 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.