Kodex

Code

A50.42

Late congenital syphilitic encephalitis

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Hierarchy

A00-B99 Certain infectious and parasitic diseases (A00-B99)
- A50-A64 Infections with a predominantly sexual mode of transmission (A50-A64)
  - A50 Congenital syphilis
    - 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

Use Additional

code to identify any associated mental disorder

code to identify resistance to antimicrobial drugs (Z16.-)
- Z16 Resistance to antimicrobial drugs

Includes

diseases generally recognized as communicable or transmissible

Excludes 1

A50.53 Hutchinson's triad

B20 Human immunodeficiency virus [HIV] disease
nonspecific and nongonococcal urethritis (N34.1)
- N34.1 Nonspecific urethritis
M02.3 Reiter's disease

certain localized infections - see body system-related chapters

Excludes 2

carrier or suspected carrier of infectious disease (Z22.-)
- Z22 Carrier of infectious disease
infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)
- O98 Maternal infectious and parasitic diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium
infectious and parasitic diseases specific to the perinatal period (P35-P39)
- P35-P39 Infections specific to the perinatal period (P35-P39)
influenza and other acute respiratory infections (J00-J22)