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ICD-10-CM Codes
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A00-B99
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A50-A64
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A50-
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2023 ICD-10-CM Diagnosis Code A50.5
2023 ICD-10-CM Diagnosis Code A50.5
Other late congenital syphilis, symptomatic
2016 2017 2018 2019 2020 2021 2022 2023 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 2023 edition of ICD-10-CM A50.5 became effective on October 1, 2022.
- 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:
- 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
- 2023 (effective 10/1/2022): No change
Code annotations containing back-references to A50.5:
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Code First: N08, M02, E35, I52, K23, J99, K77
ICD-10-CM Diagnosis Code N08
Glomerular disorders in diseases classified elsewhere
2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code Manifestation Code
Applicable To- Glomerulonephritis
- Nephritis
- Nephropathy
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 M02
Postinfective and reactive arthropathies
2016 2017 2018 2019 2020 2021 2022 2023 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)
ICD-10-CM Diagnosis Code E35
Disorders of endocrine glands in diseases classified elsewhere
2016 2017 2018 2019 2020 2021 2022 2023 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 I52
Other heart disorders in diseases classified elsewhere
2016 2017 2018 2019 2020 2021 2022 2023 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 K23
Disorders of esophagus in diseases classified elsewhere
2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code Manifestation Code
Code First- underlying disease, such as:
- congenital syphilis (A50.5)
ICD-10-CM Diagnosis Code J99
Respiratory disorders in diseases classified elsewhere
2016 2017 2018 2019 2020 2021 2022 2023 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)
ICD-10-CM Diagnosis Code K77
Liver disorders in diseases classified elsewhere
2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code Manifestation Code
Code First- underlying disease, such as:
- amyloidosis (E85.-)
- congenital syphilis (A50.0, A50.5)
- congenital toxoplasmosis (P37.1)
- infectious mononucleosis with liver disease (B27.0-B27.9 with fifth character 9)
- schistosomiasis (B65.0-B65.9)
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)
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Type 1 Excludes: Q67.4, K00.4, K00.2
ICD-10-CM Diagnosis Code Q67.4
Other congenital deformities of skull, face and jaw
2016 2017 2018 2019 2020 2021 2022 2023 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 Diagnosis Code K00.4
Disturbances in tooth formation
2016 2017 2018 2019 2020 2021 2022 2023 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)
ICD-10-CM Diagnosis Code K00.2
Abnormalities of size and form of teeth
2016 2017 2018 2019 2020 2021 2022 2023 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 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
A50.54 Late congenital cardiovascular syphilis
A50.55 Late congenital syphilitic arthropathy
A50.56 Late congenital syphilitic osteochondropathy
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.
