A52.79 Other symptomatic late syphilis

The ICD-10-CM code for Other symptomatic late syphilis is A52.79 (FY2026). It is a billable, claim-ready diagnosis code.

Classification

Chapter

1: Certain infectious and parasitic diseases (A00-B99)

Section

A50-A64: Infections with a predominantly sexual mode of transmission (A50-A64)

Category A52

34 codes (30 billable)

FY2026 Status

Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to A52.79:

• Syphiloma
• Gumma (syphilitic)
• Babinski's syndrome
• Gumma (syphilitic) › pituitary
• Gumma (syphilitic) › palate (soft)
• Gumma (syphilitic) › skin
• Gumma (syphilitic) › specified site NEC
• Anemia (essential) (general) (hemoglobin deficiency) (infantile) (primary) (profound) › syphilitic (acquired) (late)

Inclusion Terms

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

U.S. Hospital Utilization

• An estimated 105 U.S. inpatient stays in 2023 included A52.79 among the documented diagnoses.

Source: National Inpatient Sample (NIS), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, 2016–2023. National survey-weighted estimates.

Official Coding Guidelines

HIV Infections (TOC entry)

a. Human Immunodeficiency Virus (HIV) Infections .............................................................. 19

Infectious agents causing diseases in other chapters (TOC)

b. Infectious agents as the cause of diseases classified to other chapters ................................. 22

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

• CMS — ICD-10-CM Official Code Set and Guidelines, FY2026
• CDC/NCHS — ICD-10-CM Files and Browser Tool
• AHRQ — HCUP National Inpatient Sample, Frequencies by Diagnosis Code (2016–2023)