ICD-10-CM Codes
A00-B99 Certain infectious and parasitic diseases
A50-A64 Infections with a predominantly sexual mode of transmission
A50- Congenital syphilis
2022 ICD-10-CM Diagnosis Code A50.03

2022 ICD-10-CM Diagnosis Code A50.03

Early congenital syphilitic pharyngitis

2016

2017

2018

2019

2020

2021

2022

Billable/Specific Code

A50.03 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
The 2022 edition of ICD-10-CM A50.03 became effective on October 1, 2021.
This is the American ICD-10-CM version of A50.03 - other international versions of ICD-10 A50.03 may differ.

Applicable To

Early congenital syphilitic laryngitis

The following code(s) above A50.03 contain annotation back-references

Annotation Back-References

In this context, annotation back-references refer to codes that contain:

Applicable To annotations, or
Code Also annotations, or
Code First annotations, or
Excludes1 annotations, or
Excludes2 annotations, or
Includes annotations, or
Note annotations, or
Use Additional annotations

that may be applicable to A50.03:

A00-B99
2022 ICD-10-CM Range A00-B99
Certain infectious and parasitic diseases
Includes
- diseases generally recognized as communicable or transmissible
Type 1 Excludes
- certain localized infections - see body system-related chapters
Type 2 Excludes
- carrier or suspected carrier of infectious disease (Z22.-)
- infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)
- infectious and parasitic diseases specific to the perinatal period (P35-P39)
- influenza and other acute respiratory infections (J00-J22)
Use Additional
- code to identify resistance to antimicrobial drugs (Z16.-)
Certain infectious and parasitic diseases
A50-A64
2022 ICD-10-CM Range A50-A64
Infections with a predominantly sexual mode of transmission
Type 1 Excludes
- human immunodeficiency virus [HIV] disease (B20)
- nonspecific and nongonococcal urethritis (N34.1)
- Reiter's disease (M02.3-)
Infections with a predominantly sexual mode of transmission
A50.0
ICD-10-CM Diagnosis Code A50.0
Early congenital syphilis, symptomatic
Applicable To
- Any congenital syphilitic condition specified as early or manifest less than two years after birth.
Early congenital syphilis, symptomatic

ICD-10-CM A50.03 is grouped within Diagnostic Related Group(s) (MS-DRG v39.0):

867 Other infectious and parasitic diseases diagnoses with mcc
868 Other infectious and parasitic diseases diagnoses with cc
869 Other infectious and parasitic diseases diagnoses without cc/mcc

Convert A50.03 to ICD-9-CM

Code History

2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
2017 (effective 10/1/2016): No change
2018 (effective 10/1/2017): No change
2019 (effective 10/1/2018): No change
2020 (effective 10/1/2019): No change
2021 (effective 10/1/2020): No change
2022 (effective 10/1/2021): No change

Diagnosis Index entries containing back-references to A50.03:

Catarrh, catarrhal (acute) (febrile) (infectious) (inflammation) J00
- see also condition
ICD-10-CM Diagnosis Code J00
Acute nasopharyngitis [common cold]
Applicable To
Acute rhinitis
Coryza (acute)
Infective nasopharyngitis NOS
Infective rhinitis
Nasal catarrh, acute
Nasopharyngitis NOS
Type 1 Excludes
acute pharyngitis (J02.-)
acute sore throat NOS (J02.9)
influenza virus with other respiratory manifestations (J09.X2, J10.1, J11.1)
pharyngitis NOS (J02.9)
rhinitis NOS (J31.0)
sore throat NOS (J02.9)
Type 2 Excludes
allergic rhinitis (J30.1-J30.9)
chronic pharyngitis (J31.2)
chronic rhinitis (J31.0)
chronic sore throat (J31.2)
nasopharyngitis, chronic (J31.1)
vasomotor rhinitis (J30.0)
- due to congenital syphilis A50.03
Laryngitis (acute) (edematous) (fibrinous) (infective) (infiltrative) (malignant) (membranous) (phlegmonous) (pneumococcal) (pseudomembranous) (septic) (subglottic) (suppurative) (ulcerative) J04.0
ICD-10-CM Diagnosis Code J04.0
Acute laryngitis
Applicable To
Edematous laryngitis (acute)
Laryngitis (acute) NOS
Subglottic laryngitis (acute)
Suppurative laryngitis (acute)
Ulcerative laryngitis (acute)
Type 1 Excludes
acute obstructive laryngitis (J05.0)
Type 2 Excludes
chronic laryngitis (J37.0)
- syphilitic (late) A52.73
  ICD-10-CM Diagnosis Code A52.73
  Symptomatic late syphilis of other respiratory organs
  2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code
  - congenital A50.59
    ICD-10-CM Diagnosis Code A50.59
    Other late congenital syphilis, symptomatic
    2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code
    - early A50.03
Laryngotracheitis (acute) (Infectional) (infective) (viral) J04.2
ICD-10-CM Diagnosis Code J04.2
Acute laryngotracheitis
Applicable To
Laryngotracheitis NOS
Tracheitis (acute) with laryngitis (acute)
Type 1 Excludes
acute obstructive laryngotracheitis (J05.0)
Type 2 Excludes
chronic laryngotracheitis (J37.1)
- syphilitic (late) A52.73
  ICD-10-CM Diagnosis Code A52.73
  Symptomatic late syphilis of other respiratory organs
  2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code
  - congenital A50.59
    ICD-10-CM Diagnosis Code A50.59
    Other late congenital syphilis, symptomatic
    2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code
    - early A50.03
Pharyngitis (acute) (catarrhal)(gangrenous) (infective) (malignant) (membranous) (phlegmonous) (pseudomembranous) (simple) (subacute) (suppurative) (ulcerative) (viral) J02.9
ICD-10-CM Diagnosis Code J02.9
Acute pharyngitis, unspecified
Applicable To
Gangrenous pharyngitis (acute)
Infective pharyngitis (acute) NOS
Pharyngitis (acute) NOS
Sore throat (acute) NOS
Suppurative pharyngitis (acute)
Ulcerative pharyngitis (acute)
Type 1 Excludes
influenza virus with other respiratory manifestations (J09.X2, J10.1, J11.1)
- syphilitic, congenital A50.03 (early)
Syphilis, syphilitic (acquired) A53.9
ICD-10-CM Diagnosis Code A53.9
Syphilis, unspecified
Applicable To
Infection due to Treponema pallidum NOS
Syphilis (acquired) NOS
Type 1 Excludes
syphilis NOS under two years of age (A50.2)
- congenital A50.9
  ICD-10-CM Diagnosis Code A50.9
  Congenital syphilis, unspecified
  2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code
  - early, or less than 2 years after birth NEC A50.2
    ICD-10-CM Diagnosis Code A50.2
    Early congenital syphilis, unspecified
    2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code
    Applicable To
    Congenital syphilis NOS less than two years after birth.
    - symptomatic A50.09
      ICD-10-CM Diagnosis Code A50.09
      Other early congenital syphilis, symptomatic
      2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code
      - pharyngitis A50.03

ICD-10-CM Codes Adjacent To A50.03

A49.02 Methicillin resistant Staphylococcus aureus infection, unspecified site

A49.1 Streptococcal infection, unspecified site

A49.2 Hemophilus influenzae infection, unspecified site

A49.3 Mycoplasma infection, unspecified site

A49.8 Other bacterial infections of unspecified site

A49.9 Bacterial infection, unspecified

A50 Congenital syphilis

A50.0 Early congenital syphilis, symptomatic

A50.01 Early congenital syphilitic oculopathy

A50.02 Early congenital syphilitic osteochondropathy

A50.03 Early congenital syphilitic pharyngitis

A50.04 Early congenital syphilitic pneumonia

A50.05 Early congenital syphilitic rhinitis

A50.06 Early cutaneous congenital syphilis

A50.07 Early mucocutaneous congenital syphilis

A50.08 Early visceral congenital syphilis

A50.09 Other early congenital syphilis, symptomatic

A50.1 Early congenital syphilis, latent

A50.2 Early congenital syphilis, unspecified

A50.3 Late congenital syphilitic oculopathy

A50.30 …… unspecified

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

2022 ICD-10-CM Diagnosis Code A50.03

Early congenital syphilitic pharyngitis

Certain infectious and parasitic diseases

Infections with a predominantly sexual mode of transmission

Early congenital syphilis, symptomatic

Acute nasopharyngitis [common cold]

Acute laryngitis

Symptomatic late syphilis of other respiratory organs

Other late congenital syphilis, symptomatic

Acute laryngotracheitis

Symptomatic late syphilis of other respiratory organs

Other late congenital syphilis, symptomatic

Acute pharyngitis, unspecified

Syphilis, unspecified

Congenital syphilis, unspecified

Early congenital syphilis, unspecified

Other early congenital syphilis, symptomatic