AutoICD API

A50

Non-billable

Congenital syphilis

Congenital syphilis

This is a header/category code. For billing purposes, use a more specific child code from the list below.

Status

Non-billable / Header

Block

A50-A64

Child Codes

9

Coding Notes

Includes

Conditions included under this code

  • diseases generally recognized as communicable or transmissible

Excludes 1

Codes that cannot be used together with this code (mutual exclusion)

  • certain localized infections - see body system-related chapters
  • nonspecific and nongonococcal urethritis (N34.1)
  • Reiter's disease (M02.3-)

Excludes 2

Conditions not included here, but the patient may have both

  • 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)
  • human immunodeficiency virus [HIV] disease (B20)

Use Additional Code

Additional codes that should follow this code

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

Child Codes (9)

A50.0

Early congenital syphilis, symptomatic

A50.1

Early congenital syphilis, latent

BillableA50.2

Early congenital syphilis, unspecified

BillableA50.3

Late congenital syphilitic oculopathy

A50.4

Late congenital neurosyphilis [juvenile neurosyphilis]

A50.5

Other late congenital syphilis, symptomatic

A50.6

Late congenital syphilis, latent

BillableA50.7

Late congenital syphilis, unspecified

BillableA50.9

Congenital syphilis, unspecified

Billable

Also Known As / Clinical Terms

UMLS

Frequently Asked Questions

What is ICD-10 code A50?

ICD-10-CM code A50 represents "Congenital syphilis". It is a non-billable header code — use a more specific child code for billing purposes.

Is A50 a billable code?

No, A50 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 9 child codes under A50.

What chapter is A50 in?

A50 is in Chapter 1: Certain Infectious and Parasitic Diseases (codes A00-B99).

What codes cannot be used with A50?

A50 has Excludes1 notes indicating codes that cannot be used together with it, including: certain localized infections - see body system-related chapters; nonspecific and nongonococcal urethritis (N34.1); Reiter's disease (M02.3-).

What are the subcategories under A50?

A50 has 9 child codes, including: A50.0 (Early congenital syphilis, symptomatic), A50.1 (Early congenital syphilis, latent), A50.2 (Early congenital syphilis, unspecified), A50.3 (Late congenital syphilitic oculopathy), and 5 more.

Are additional codes required with A50?

Yes, when using A50 you should also code: code to identify resistance to antimicrobial drugs (Z16.-).

What are the UMLS CUIs for A50?

A50 is linked to 1 UMLS Concept Unique Identifier: C0039131. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.