2022 ICD-10-CM Diagnosis Code A50.5

Other late congenital syphilis, symptomatic

    2016 2017 2018 2019 2020 2021 2022 Non-Billable/Non-Specific Code
  • A50.5 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • The 2022 edition of ICD-10-CM A50.5 became effective on October 1, 2021.
  • This is the American ICD-10-CM version of A50.5 - other international versions of ICD-10 A50.5 may differ.
Applicable To
  • Any congenital syphilitic condition specified as late or manifest two years or more after birth.
The following code(s) above A50.5 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 A50.5:
  • 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
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
Code annotations containing back-references to A50.5:
  • Code First: N08
    , J99
    , K23
    , E35
    , K77
    , I52
    , M02
    ICD-10-CM Diagnosis Code N08

    Glomerular disorders in diseases classified elsewhere

      2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code Manifestation Code
    Applicable To
    • Glomerulonephritis
    • Nephritis
    • Nephropathy
    Code First
    Type 1 Excludes
    • glomerulonephritis, nephritis and nephropathy (in):
    • antiglomerular basement membrane disease (M31.0)
    • diabetes (E08-E13 with .21)
    • gonococcal (A54.21)
    • Goodpasture's syndrome (M31.0)
    • hemolytic-uremic syndrome (D59.3)
    • lupus (M32.14)
    • mumps (B26.83)
    • syphilis (A52.75)
    • systemic lupus erythematosus (M32.14)
    • Wegener's granulomatosis (M31.31)
    • pyelonephritis in diseases classified elsewhere (N16)
    • renal tubulo-interstitial disorders classified elsewhere (N16)
    ICD-10-CM Diagnosis Code J99

    Respiratory disorders in diseases classified elsewhere

      2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code Manifestation Code
    Code First
    • underlying disease, such as:
    • amyloidosis (E85.-)
    • ankylosing spondylitis (M45)
    • congenital syphilis (A50.5)
    • cryoglobulinemia (D89.1)
    • early congenital syphilis (A50.0)
    • plasminogen deficiency (E88.02)
    • schistosomiasis (B65.0-B65.9)
    Type 1 Excludes
    ICD-10-CM Diagnosis Code K23

    Disorders of esophagus in diseases classified elsewhere

      2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code Manifestation Code
    Code First
    • underlying disease, such as:
    • congenital syphilis (A50.5)
    Type 1 Excludes
    ICD-10-CM Diagnosis Code E35

    Disorders of endocrine glands in diseases classified elsewhere

      2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code Manifestation Code
    Code First
    • underlying disease, such as:
    • late congenital syphilis of thymus gland [Dubois disease] (A50.5)
    Type 1 Excludes
    • Echinococcus granulosus infection of thyroid gland (B67.3)
    • meningococcal hemorrhagic adrenalitis (A39.1)
    • syphilis of endocrine gland (A52.79)
    • tuberculosis of adrenal gland, except calcification (A18.7)
    • tuberculosis of endocrine gland NEC (A18.82)
    • tuberculosis of thyroid gland (A18.81)
    • Waterhouse-Friderichsen syndrome (A39.1)
    Use Additional
    • code, if applicable, to identify:
    • sequelae of tuberculosis of other organs (B90.8)
    ICD-10-CM Diagnosis Code K77

    Liver disorders in diseases classified elsewhere

      2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code Manifestation Code
    Code First
    Type 1 Excludes
    • alcoholic hepatitis (K70.1-)
    • alcoholic liver disease (K70.-)
    • cytomegaloviral hepatitis (B25.1)
    • herpesviral [herpes simplex] hepatitis (B00.81)
    • mumps hepatitis (B26.81)
    • sarcoidosis with liver disease (D86.89)
    • secondary syphilis with liver disease (A51.45)
    • syphilis (late) with liver disease (A52.74)
    • toxoplasmosis (acquired) hepatitis (B58.1)
    • tuberculosis with liver disease (A18.83)
    ICD-10-CM Diagnosis Code I52

    Other heart disorders in diseases classified elsewhere

      2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code Manifestation Code
    Code First
    • underlying disease, such as:
    • congenital syphilis (A50.5)
    • mucopolysaccharidosis (E76.3)
    • schistosomiasis (B65.0-B65.9)
    Type 1 Excludes
    • heart disease (in):
    • gonococcal infection (A54.83)
    • meningococcal infection (A39.50)
    • rheumatoid arthritis (M05.31)
    • syphilis (A52.06)
    ICD-10-CM Diagnosis Code M02

    Postinfective and reactive arthropathies

      2016 2017 2018 2019 2020 2021 2022 Non-Billable/Non-Specific Code
    Code First
    • underlying disease, such as:
    • congenital syphilis [Clutton's joints] (A50.5)
    • enteritis due to Yersinia enterocolitica (A04.6)
    • infective endocarditis (I33.0)
    • viral hepatitis (B15-B19)
    Type 1 Excludes
    • Behçet's disease (M35.2)
    • direct infections of joint in infectious and parasitic diseases classified elsewhere (M01.-)
    • postmeningococcal arthritis (A39.84)
    • mumps arthritis (B26.85)
    • rubella arthritis (B06.82)
    • syphilis arthritis (late) (A52.77)
    • rheumatic fever (I00)
    • tabetic arthropathy [Charcôt's] (A52.16)
  • Type 1 Excludes: K00.2
    , K00.4
    , Q67.4
    ICD-10-CM Diagnosis Code K00.2

    Abnormalities of size and form of teeth

      2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code
    Applicable To
    • Concrescence of teeth
    • Fusion of teeth
    • Gemination of teeth
    • Dens evaginatus
    • Dens in dente
    • Dens invaginatus
    • Enamel pearls
    • Macrodontia
    • Microdontia
    • Peg-shaped [conical] teeth
    • Supernumerary roots
    • Taurodontism
    • Tuberculum paramolare
    Type 1 Excludes
    • abnormalities of teeth due to congenital syphilis (A50.5)
    • tuberculum Carabelli, which is regarded as a normal variation and should not be coded
    ICD-10-CM Diagnosis Code K00.4

    Disturbances in tooth formation

      2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code
    Applicable To
    • Aplasia and hypoplasia of cementum
    • Dilaceration of tooth
    • Enamel hypoplasia (neonatal) (postnatal) (prenatal)
    • Regional odontodysplasia
    • Turner's tooth
    Type 1 Excludes
    • Hutchinson's teeth and mulberry molars in congenital syphilis (A50.5)
    Type 2 Excludes
    ICD-10-CM Diagnosis Code Q67.4

    Other congenital deformities of skull, face and jaw

      2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code POA Exempt
    Applicable To
    • Congenital depressions in skull
    • Congenital hemifacial atrophy or hypertrophy
    • Deviation of nasal septum, congenital
    • Squashed or bent nose, congenital
    Type 1 Excludes
    • dentofacial anomalies [including malocclusion] (M26.-)
    • syphilitic saddle nose (A50.5)
ICD-10-CM Codes Adjacent To A50.5
A50.32 Late congenital syphilitic chorioretinitis
A50.39 Other late congenital syphilitic oculopathy
A50.4 Late congenital neurosyphilis [juvenile neurosyphilis]
A50.40 Late congenital neurosyphilis, unspecified
A50.41 Late congenital syphilitic meningitis
A50.42 Late congenital syphilitic encephalitis
A50.43 Late congenital syphilitic polyneuropathy
A50.44 Late congenital syphilitic optic nerve atrophy
A50.45 Juvenile general paresis
A50.49 Other late congenital neurosyphilis
A50.5 Other late congenital syphilis, symptomatic
A50.51 Clutton's joints
A50.52 Hutchinson's teeth
A50.53 Hutchinson's triad
A50.54 Late congenital cardiovascular syphilis
A50.55 Late congenital syphilitic arthropathy
A50.56 Late congenital syphilitic osteochondropathy
A50.57 Syphilitic saddle nose
A50.59 Other late congenital syphilis, symptomatic
A50.6 Late congenital syphilis, latent
A50.7 Late congenital syphilis, unspecified

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