A50
A50 — Congenital syphilis
Non-billable headerICD-10-CM
A50 is a non-billable header ICD-10-CM code for congenital syphilis. It cannot be billed on its own: choose one of the more specific child codes below.
Other codes that can never be billed with A50
These codes carry an Excludes1 note pointing at A50. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading A50 alone.
- P28.89Other specified respiratory conditions of newborn
- Q67.4Other congenital deformities of skull, face and jaw
- A50.3Late congenital syphilitic oculopathy
- A50.4Late congenital neurosyphilis [juvenile neurosyphilis]
- A53.9Syphilis, unspecified
- G94Other disorders of brain in diseases classified elsewhere
- H20.0Acute and subacute iridocyclitis
- K00.2Abnormalities of size and form of teeth
Risk adjustment
A50 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.
Code to one of these instead A50
9 child codes. Green means billable.
- A50.0Early congenital syphilis, symptomatic
- A50.1Early congenital syphilis, latent
- A50.2Early congenital syphilis, unspecified
- A50.3Late congenital syphilitic oculopathy
- A50.4Late congenital neurosyphilis [juvenile neurosyphilis]
- A50.5Other late congenital syphilis, symptomatic
- A50.6Late congenital syphilis, latent
- A50.7Late congenital syphilis, unspecified
- A50.9Congenital syphilis, unspecified
Questions about A50
- Is A50 a billable ICD-10-CM code?
- No. A50 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
- Where does A50 sit in the tabular list?
- Certain infectious and parasitic diseases (A00-B99), in the block Infections with a predominantly sexual mode of transmission (A50-A64).