I52
✓ Billable
Other heart disorders in diseases classified elsewhere
ICD-10-CM · FY2026 · Diseases of the Circulatory System
Code
I52
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Diseases of the Circulatory System
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Official coding notes
From CMS's ICD-10-CM Tabular List.
Excludes1 — never code together
- heart disease (in):
- gonococcal infection (A54.83)
- meningococcal infection (A39.50)
- rheumatoid arthritis (M05.31)
- syphilis (A52.06)
Code first
- underlying disease, such as:
- congenital syphilis (A50.5)
- mucopolysaccharidosis (E76.3)
- schistosomiasis (B65.0-B65.9)
Frequently asked questions
What is ICD-10 code I52?
ICD-10-CM code I52 represents Other heart disorders in diseases classified elsewhere. It is a billable diagnosis code in the Diseases of the Circulatory System chapter, effective October 1, 2025 – September 30, 2026.
Is I52 billable?
Yes. I52 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is I52 in?
I52 belongs to the Diseases of the Circulatory System chapter (I00–I99) of ICD-10-CM.
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