ICD-10-CM › A00-B99 › A50-A64 › A50.4 Late congenital neurosyphilis... › A50.44
Late congenital syphilitic optic nerve atrophy
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 Late congenital syphilitic optic nerve atrophy
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.
- Pallor > optic disc, temporal
- Sclerosis, sclerotic > choroid
- Disorder > choroid > degeneration
- Degeneration, degenerative > chorioretinal
- Degeneration, degenerative > Bruch's membrane
- Atrophy, atrophic > optic > syphilitic > congenital
- Atrophy, atrophic > nerve > optic > syphilitic > congenital
Codes in the same group
| Code | Description | Status |
|---|---|---|
| A50.40 | Late congenital neurosyphilis, unspecified | Valid |
| A50.41 | Late congenital syphilitic meningitis | Valid |
| A50.42 | Late congenital syphilitic encephalitis | Valid |
| A50.43 | Late congenital syphilitic polyneuropathy | Valid |
| A50.45 | Juvenile general paresis | Valid |
| A50.49 | Other late congenital neurosyphilis | Valid |