ICD-10-CM › A00-B99 › A50-A64 › A52 Late syphilis › A52.2
Asymptomatic neurosyphilis
ValidICD-10-CM diagnosis code.
Valid for claims with a date of service in the current code year.
What has happened to this code
Every change the publisher made, from 2007 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.
- FY2007 Added to the draft code set draft Asymptomatic neurosyphilis
Official coding rules
Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.
Inherited from the A50-A64 section Infections with a predominantly sexual mode of transmission (A50-A64)
Excludes1 - never coded here
- nonspecific and nongonococcal urethritis (N34.1)
- Reiter's disease (M02.3-)
Excludes2 - not included here
- human immunodeficiency virus [HIV] disease (B20)
How CDC's index refers to this code
Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.
- Lues, luetic
- Lesion > syphilitic
- Disease, diseased > venereal
- Treponema pallidum infection
- Disease, diseased > syphilitic
- Syphilis, syphilitic > inactive
- Reaction > serological for syphilis
- Syphilis, syphilitic > asymptomatic
- Treponematosis > due to > T. pallidum
- Infection, infected, infective > specific
- Syphilis, syphilitic > seropositive > only finding
- Disease, diseased > sexually transmitted > syphilis
- Infection, infected, infective > Treponema pallidum
- Serology for syphilis > doubtful > follow-up of latent syphilis
- Syphilis, syphilitic > seropositive > follow-up of latent syphilis
- Neurosyphilis > serological
- Neurosyphilis > asymptomatic
- Syphilis, syphilitic > latent > central nervous system
Codes in the same group
| Code | Description | Status |
|---|---|---|
| A52.0 | Cardiovascular and cerebrovascular syphilis | Not billable |
| A52.1 | Symptomatic neurosyphilis | Not billable |
| A52.3 | Neurosyphilis, unspecified | Valid |
| A52.7 | Other symptomatic late syphilis | Not billable |
| A52.8 | Late syphilis, latent | Valid |
| A52.9 | Late syphilis, unspecified | Valid |