Index to Diseases and Injuries
Syphilis, syphilitic › early
Index code:A51.9
- cardiovascular A52.00
- central nervous system A52.3
- latent (without manifestations) (less than 2 years after infection) A51.5
- negative spinal fluid test A51.5
- serological relapse after treatment A51.5
- serology positive A51.5
- relapse (treated, untreated) A51.9
- skin A51.39
- symptomatic A51.9
- extragenital chancre A51.2
- primary, except extragenital chancre A51.0
- secondary A51.39 — see also Syphilis, secondary
- relapse (treated, untreated) A51.49
- ulcer A51.39
Use the index to find a code, then confirm it in the Tabular List before assigning it. A code ending in a dash is incomplete, and a code in [brackets] is a manifestation code reported after the underlying condition. Search the whole index.
Frequently asked questions
What is the ICD-10-CM code for Syphilis, syphilitic › early?
The ICD-10-CM Alphabetic Index directs "Syphilis, syphilitic › early" to A51.9. Subterms below it may lead to a more specific code. Always confirm the code in the Tabular List before assigning it.
ICD-10-CM Index to Diseases and Injuries maintained by CDC/NCHS (public domain), from the CMS FY2027 release.