A52.06 Other syphilitic heart involvement

The ICD-10-CM code for Other syphilitic heart involvement is A52.06 (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 A52.06:

• Gumma (syphilitic) › heart
• Myocarditis (with arteriosclerosis)(chronic)(fibroid) (interstitial) (old) (progressive) (senile) › syphilitic (chronic)
• Syphilis, syphilitic (acquired) › auricular fibrillation
• Syphilis, syphilitic (acquired) › cardiac decompensation
• Gumma (syphilitic) › myocardium
• Pericarditis (with decompensation) (with effusion) › syphilitic
• Gumma (syphilitic) › pericardium
• Syphilis, syphilitic (acquired) › coronary (artery) (sclerosis)

Inclusion Terms

• Syphilitic coronary artery disease
• Syphilitic myocarditis
• Syphilitic pericarditis

U.S. Hospital Utilization

A52.06 appeared in too few sampled U.S. inpatient stays in 2022 to report a national estimate (AHRQ suppresses counts of 10 or fewer) — a rare inpatient diagnosis.

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)

Cite This Page

Reference A52.06 with the canonical source and edition:

A52.06 — Other syphilitic heart involvement. ICD-10 Coding Pro (ICD-10-CM FY2026). https://icd10codingpro.com/codes/A52.06

Canonical URL: https://icd10codingpro.com/codes/A52.06