A50.31

A50.31: Late congenital syphilitic interstitial keratitis

Billable / specific codeICD-10-CM

A50.31 is a billable, specific ICD-10-CM code for late congenital syphilitic interstitial keratitis. It is valid for submission on a claim.

Check A50.31 with the rest of the claim: free scrubber

Excludes1 inherited from the categories above A50.31

A category’s note binds every code beneath it.

Written on A50.3: Late congenital syphilitic oculopathy

Hutchinson's triad (A50.53)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

A50.31 is named in 1 Medicare coverage policy: 1 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

A57068Billing and Coding: Ocular Photography - External

Alphabetic index entries that lead here

Keratitis›syphilitic(congenital) (prenatal)
Syphilis, syphilitic›keratitis(congenital) (interstitial) (late)
Keratitis›in›syphilis
Keratitis›interstitial›syphilitic(congenital) (late)
Keratitis›punctata›syphilitic(profunda)
Syphilis, syphilitic›congenital›interstitial keratitis
Syphilis, syphilitic›congenital›late, or 2 years or more after birth NEC›interstitial keratitis

Code history

Unchanged in every release from FY2024 to FY2027.