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

2020 ICD-10-CM Diagnosis Code A50.49

Other late congenital neurosyphilis

2016

2017

2018

2019

2020

Billable/Specific Code

A50.49 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 A50.49 became effective on October 1, 2019.
This is the American ICD-10-CM version of A50.49 - other international versions of ICD-10 A50.49 may differ.

Applicable To

Juvenile tabes dorsalis

The following code(s) above A50.49 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 A50.49:

A00-B99
2020 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
2020 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
A50.4
ICD-10-CM Diagnosis Code A50.4
Late congenital neurosyphilis [juvenile neurosyphilis]
Type 1 Excludes
- Hutchinson's triad (A50.53)
Use Additional
- code to identify any associated mental disorder
Late congenital neurosyphilis [juvenile neurosyphilis]

Approximate Synonyms

Juvenile tabes dorsalis

ICD-10-CM A50.49 is grouped within Diagnostic Related Group(s) (MS-DRG v37.0):

097 Non-bacterial infection of nervous system except viral meningitis with mcc
098 Non-bacterial infection of nervous system except viral meningitis with cc
099 Non-bacterial infection of nervous system except viral meningitis without cc/mcc

Convert A50.49 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

Code annotations containing back-references to A50.49:

Type 1 Excludes: G94

ICD-10-CM Diagnosis Code G94
Other disorders of brain in diseases classified elsewhere
Code First
- underlying disease
Type 1 Excludes
- encephalopathy in congenital syphilis (A50.49)
- encephalopathy in influenza (J09.X9, J10.81, J11.81)
- encephalopathy in syphilis (A52.19)
- hydrocephalus in diseases classified elsewhere (G91.4)

Diagnosis Index entries containing back-references to A50.49:

Dementia (degenerative (primary)) (old age) (persisting) F03.90
ICD-10-CM Diagnosis Code F03.90
Unspecified dementia without behavioral disturbance
Applicable To
Dementia NOS
- in (due to)
  - neurosyphilis A52.17
    ICD-10-CM Diagnosis Code A52.17
    General paresis
    2016 2017 2018 2019 2020 Billable/Specific Code
    Applicable To
    Dementia paralytica
    - juvenile A50.49
      - with behavioral disturbance A50.49
Hydrocephalus (acquired) (external) (internal) (malignant) (recurrent) G91.9
ICD-10-CM Diagnosis Code G91.9
Hydrocephalus, unspecified
- syphilitic, congenital A50.49
Meningoencephalocele - see also Encephalocele
- syphilitic A52.19
  ICD-10-CM Diagnosis Code A52.19
  Other symptomatic neurosyphilis
  2016 2017 2018 2019 2020 Billable/Specific Code
  Applicable To
  Syphilitic parkinsonism
  - congenital A50.49
Palsy G83.9
- see also Paralysis
ICD-10-CM Diagnosis Code G83.9
Paralytic syndrome, unspecified
- cerebral (congenital) G80.9
  ICD-10-CM Diagnosis Code G80.9
  Cerebral palsy, unspecified
  2016 2017 2018 2019 2020 Billable/Specific Code
  Applicable To
  Cerebral palsy NOS
  - syphilitic A52.12
    ICD-10-CM Diagnosis Code A52.12
    Other cerebrospinal syphilis
    2016 2017 2018 2019 2020 Billable/Specific Code
    - congenital A50.49
Tabes, tabetic A52.10
ICD-10-CM Diagnosis Code A52.10
Symptomatic neurosyphilis, unspecified
- dorsalis A52.11
  ICD-10-CM Diagnosis Code A52.11
  Tabes dorsalis
  2016 2017 2018 2019 2020 Billable/Specific Code
  Applicable To
  Locomotor ataxia (progressive)
  Tabetic neurosyphilis
  - juvenile A50.49
- juvenile A50.49

ICD-10-CM Codes Adjacent To A50.49

A50.31 Late congenital syphilitic interstitial keratitis

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

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

2020 ICD-10-CM Diagnosis Code A50.49

Other late congenital neurosyphilis

Certain infectious and parasitic diseases

Infections with a predominantly sexual mode of transmission

Late congenital neurosyphilis [juvenile neurosyphilis]

Other disorders of brain in diseases classified elsewhere

Unspecified dementia without behavioral disturbance

General paresis

Hydrocephalus, unspecified

Other symptomatic neurosyphilis

Paralytic syndrome, unspecified

Cerebral palsy, unspecified

Other cerebrospinal syphilis

Symptomatic neurosyphilis, unspecified

Tabes dorsalis