A50.03 – Early congenital syphilitic pharyngitis

ICD-10-CM 2027 diagnosis code · Infections with a predominantly sexual mode of transmission

Billable code

ICD-10-CM code A50.03

Code: A50.03 (claims format: A5003)
Description: Early congenital syphilitic pharyngitis
Billable: Yes – valid for HIPAA-covered transactions
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 1. Certain infectious and parasitic diseases (A00-B99)
Block: A50-A64 Infections with a predominantly sexual mode of transmission
Parent codes: A50 › A50.0

Notes for A50.03

Applicable to:

Early congenital syphilitic laryngitis

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

A50.0 – Early congenital syphilis, symptomatic

Applicable to:

Any congenital syphilitic condition specified as early or manifest less than two years after birth.

Block A50-A64

Excludes1 (not coded here):

nonspecific and nongonococcal urethritis (N34.1)
Reiter's disease (M02.3-)

Excludes2 (not included here):

human immunodeficiency virus [HIV] disease (B20)

Index terms for A50.03

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in A50.0

A50.01 – Early congenital syphilitic oculopathyBillable
A50.02 – Early congenital syphilitic osteochondropathyBillable
A50.04 – Early congenital syphilitic pneumoniaBillable
A50.05 – Early congenital syphilitic rhinitisBillable
A50.06 – Early cutaneous congenital syphilisBillable
A50.07 – Early mucocutaneous congenital syphilisBillable
A50.08 – Early visceral congenital syphilisBillable
A50.09 – Other early congenital syphilis, symptomaticBillable

Frequently asked questions

What is ICD-10 code A50.03?

A50.03 is the ICD-10-CM code for early congenital syphilitic pharyngitis, in the block A50-A64 (Infections with a predominantly sexual mode of transmission).

Is A50.03 a billable code?

Yes. A50.03 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does A50.03 belong to?

It belongs to category A50 – Congenital syphilis.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.