ICD-10 Code
International Classification of Diseases, 10th Revision
Aug 18, 2017

See: Other and unspecified syphilis

  ICD-10 Code for Syphilis, unspecified A53.9

A53.9 is a valid1 ICD 10 diagnosis code.

A53.9 is valid for submission for HIPAA-covered transactions.

Chapter 1 Certain infectious and parasitic diseases (A00-B99)
Section A50-A64 Infections with a predominantly sexual mode of transmission (A50-A64)
Category A53 Other and unspecified syphilis

• See below for any additional coding requirements that may be necessary.

• Check for any notations, inclusions and/or exclusions that are specific to this ICD 10 code before using

1 No additional coding requirements necessary.
Inclusion Term
  • Infection due to Treponema pallidum NOS
  • Syphilis (acquired) NOS
  • syphilis NOS under two years of age (A50.2)
See also ICD 10 code for

Related Terms to “Syphilis, unspecified”

  • Positive
    • VDRL - A53.0
      • with signs or symptoms - code by site and stage under Syphilis - A53.9
  • Syphilis, syphilitic(acquired) - A53.9
    • conjugal - A53.9
    • due to blood transfusion - A53.9
    • general - A53.9
    • organic - A53.9
See the 2017 ICD-10-CM Coding Guidelines.

When ICD 10 was implemented on October 1, 2015, it did not affect physicians', outpatient facilities', and hospital outpatient departments' use of CPT codes on Medicare Fee-For-Service claims. Providers should continue to use CPT codes to report these services.