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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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2020 ICD-10-CM Diagnosis Code A50.6
Late congenital syphilis, latent
2016 2017 2018 2019 2020 Billable/Specific Code
- A50.6 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2020 edition of ICD-10-CM A50.6 became effective on October 1, 2019.
- This is the American ICD-10-CM version of A50.6 - other international versions of ICD-10 A50.6 may differ.
Applicable To- Congenital syphilis without clinical manifestations, with positive serological reaction and negative spinal fluid test, two years or more after birth.
The following code(s) above
A50.6 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
A50.6:
- Late congenital syphilis, latent (+ sero., - c.s.f., 2 years or more)
- Latent late congenital syphilis
ICD-10-CM A50.6 is grouped within Diagnostic Related Group(s) (MS-DRG v37.0):
- 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 A50.6 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
- Syphilis, syphilitic (acquired) A53.9
ICD-10-CM Diagnosis Code A53.9
Syphilis, unspecified
2016 2017 2018 2019 2020 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 Billable/Specific Code
- late, or 2 years or more after birth NEC A50.7
ICD-10-CM Diagnosis Code A50.7
Late congenital syphilis, unspecified
2016 2017 2018 2019 2020 Billable/Specific Code
Applicable To- Congenital syphilis NOS two years or more after birth.
- latent (without manifestations) A50.6
- negative spinal fluid test A50.6
- serology positive A50.6
ICD-10-CM Codes Adjacent To A50.6
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
A50.9 Congenital syphilis, unspecified
A51.0 Primary genital syphilis
A51.1 Primary anal syphilis
A51.2 Primary syphilis of other sites
A51.3 Secondary syphilis of skin and mucous membranes
A51.39 Other secondary syphilis of skin
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
