A52.79
Billable

Other symptomatic late syphilis

Billable / Specific Code

What is Other symptomatic late syphilis?

ICD-10-CM A52.79 is the diagnosis code for Other symptomatic late syphilis. This code falls under the section "Infections with a predominantly sexual mode of transmission" within Chapter 1 — Certain infectious and parasitic diseases (A00-B99). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

💡 Inclusions
⛔ Excludes1

Coding Guidelines for A52.79

✅ This Code Includes

  • Late syphilitic leukoderma
  • Syphilis of adrenal gland
  • Syphilis of pituitary gland
  • Syphilis of thyroid gland
  • Syphilitic splenomegaly

⛔ Type 1 Excludes (Never code together)

The following conditions should never be coded at the same time as A52.79. They are mutually exclusive:

  • syphilitic leukoderma (secondary) (A51.39)

ICD-10-CM Code Hierarchy

Understanding where A52.79 sits in the ICD-10-CM classification helps ensure proper coding:

Related Codes

Frequently Asked Questions

Is A52.79 a billable ICD-10-CM code?

Yes, A52.79 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

What does A52.79 mean?

A52.79 is the ICD-10-CM diagnosis code for "Other symptomatic late syphilis". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of A52.79?

The parent code of A52.79 is A52.7 ("Other symptomatic late syphilis"). A52.79 provides a more specific classification within this category.

What section is A52.79 in?

A52.79 is located in Section A50-A64 — "Infections with a predominantly sexual mode of transmission" within Chapter 1 of the ICD-10-CM Tabular List.

When should I use A52.79?

Use A52.79 when the patients documented diagnosis matches "Other symptomatic late syphilis" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Other symptomatic late syphilis?

The ICD-10-CM code for Other symptomatic late syphilis is A52.79.

Can A52.79 be used for primary diagnosis?

Yes, A52.79 can be used as a primary diagnosis code since it is billable and specific.

What chapter is A52.79 in?

A52.79 is in Chapter 1 of the ICD-10-CM Tabular List.

What conditions are excluded from A52.79?

Type 1 Excludes for A52.79 include: syphilitic leukoderma (secondary) (A51.39).

Is A52.79 valid for 2026?

Yes, A52.79 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousA52.78Syphilis of other musculoskeletal tissueNext →A52.8Late syphilis, latent
Code Details
A52.79
Other symptomatic late syphilis
Billable / Specific Code
1 — Certain infectious and parasitic diseases (A00-B99)
A50-A64 — Infections with a predominantly sexual mode of transmission
2026 ICD-10-CM