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ICD-10-CM Codes
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A00-B99
Certain infectious and parasitic diseases
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A50-A64
Infections with a predominantly sexual mode of transmission
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A50-
Congenital syphilis
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2021 ICD-10-CM Diagnosis Code A50.03
2021 ICD-10-CM Diagnosis Code A50.03
Early congenital syphilitic pharyngitis
2016 2017 2018 2019 2020 2021 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 2021 edition of ICD-10-CM A50.03 became effective on October 1, 2020.
- 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
2021 ICD-10-CM Range A00-B99
Certain infectious and parasitic diseasesIncludes- 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.-)
- A50-A64
2021 ICD-10-CM Range A50-A64
Infections with a predominantly sexual mode of transmissionType 1 Excludes- human immunodeficiency virus [HIV] disease (B20)
- nonspecific and nongonococcal urethritis (N34.1)
- Reiter's disease (M02.3-)
- A50.0
ICD-10-CM Diagnosis Code A50.0
Early congenital syphilis, symptomatic
2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
Applicable To- Any congenital syphilitic condition specified as early or manifest less than two years after birth.
- 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
- Catarrh, catarrhal (acute) (febrile) (infectious) (inflammation) J00 - see also condition
ICD-10-CM Diagnosis Code J00
Acute nasopharyngitis [common cold]
2016 2017 2018 2019 2020 2021 Billable/Specific Code
Applicable To- Acute rhinitis
- Coryza (acute)
- Infective nasopharyngitis NOS
- Infective rhinitis
- Nasal catarrh, acute
- Nasopharyngitis NOS
- 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
2016 2017 2018 2019 2020 2021 Billable/Specific Code
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 Billable/Specific Code
- congenital A50.59
ICD-10-CM Diagnosis Code A50.59
Other late congenital syphilis, symptomatic
2016 2017 2018 2019 2020 2021 Billable/Specific Code
- Laryngotracheitis (acute) (Infectional) (infective) (viral) J04.2
ICD-10-CM Diagnosis Code J04.2
Acute laryngotracheitis
2016 2017 2018 2019 2020 2021 Billable/Specific Code
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 Billable/Specific Code
- congenital A50.59
ICD-10-CM Diagnosis Code A50.59
Other late congenital syphilis, symptomatic
2016 2017 2018 2019 2020 2021 Billable/Specific Code
- 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
2016 2017 2018 2019 2020 2021 Billable/Specific Code
Applicable To- Gangrenous pharyngitis (acute)
- Infective pharyngitis (acute) NOS
- Pharyngitis (acute) NOS
- Sore throat (acute) NOS
- Suppurative pharyngitis (acute)
- Ulcerative pharyngitis (acute)
- syphilitic, congenital A50.03 (early)
- Syphilis, syphilitic (acquired) A53.9
ICD-10-CM Diagnosis Code A53.9
Syphilis, unspecified
2016 2017 2018 2019 2020 2021 Billable/Specific Code
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 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 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 Billable/Specific Code
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
A50.0 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
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
