A52
Non-billableLate syphilis
Late syphilis
This is a header/category code. For billing purposes, use a more specific child code from the list below.
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)
- certain localized infections - see body system-related chapters
- •nonspecific and nongonococcal urethritisN34.1
- •Reiter's diseaseM02.3
Excludes 2
Conditions not included here, but the patient may have both
- •carrier or suspected carrier of infectious diseaseZ22
- •infectious and parasitic diseases complicating pregnancy, childbirth and the puerperiumO98
- •infectious and parasitic diseases specific to the perinatal periodP35-P39
- •influenza and other acute respiratory infectionsJ00-J22
- •human immunodeficiency virus [HIV] diseaseB20
Use Additional Code
Additional codes that should follow this code
Child Codes (7)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(13)
UMLS
- Late syphilisC0153188
- Late syphilis (disorder)C0153188
- Late syphilis, unspecifiedC0153188
- Late tertiary syphilisC0153188
- Syphilis (late)C0153188
- Syphilis, tertiaryC0153188
- Tertiary SyphilisC0153188
- Tertiary Treponema pallidum infectionC0153188
- Tertiary syphilisC0153188
- late syphilisC0153188
- late tertiary syphilisC0153188
- syphilis tertiaryC0153188
- tertiary syphilisC0153188
Frequently Asked Questions
What is the ICD-10 code for late syphilis?
The ICD-10-CM code for late syphilis is A52. The full clinical description is "Late syphilis". A52 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code A52 mean?
ICD-10-CM code A52 represents “Late syphilis”. It is classified under Chapter 1: Certain Infectious and Parasitic Diseases and is a non-billable header code. Use a more specific child code for billing purposes.
Is A52 a billable code?
No, A52 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 7 child codes under A52.
What chapter is A52 in?
A52 is in Chapter 1: Certain Infectious and Parasitic Diseases (codes A00-B99).
What codes cannot be used with A52?
A52 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-).
What are the subcategories under A52?
A52 has 7 child codes, including: A52.0 (Cardiovascular and cerebrovascular syphilis), A52.1 (Symptomatic neurosyphilis), A52.2 (Asymptomatic neurosyphilis), A52.3 (Neurosyphilis, unspecified), and 3 more.
Are additional codes required with A52?
Yes, when using A52, also report: resistance to antimicrobial drugs (Z16.-).
What are the UMLS CUIs for A52?
A52 is linked to 1 UMLS Concept Unique Identifier: C0153188. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does A52 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like late syphilis affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of A52?
A52 maps to the ICD-11 code: 1A62.Z (Late syphilis, unspecified).
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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.