ICD10BillableValid for clinical use
ICD-10 Code I52: Other heart disorders in diseases classified elsewhere
Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026
What is this code?
ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Diseases of the circulatory system (I00-I99).
When is it used?
- May be used when a clinician documents other heart disorders in diseases classified elsewhere in a patient's medical record.
- May appear in hospital records, claims, referrals, and clinical documentation.
- This code can be used as a clinically usable diagnosis entry in standardized coding workflows.
What it does not mean
- A code alone does not explain severity, treatment plan, or outcome.
- A medical code should not be treated as a substitute for a doctor's diagnosis or advice.
Code hierarchy
chapter
9Diseases of the circulatory system (I00-I99)
block
I30-I5AOther forms of heart disease
currentI30-I5A
Official coding notes
Applicable to
- underlying disease, such as:
- congenital syphilis (A50.5)
- mucopolysaccharidosis (E76.3)
- schistosomiasis (B65.0-B65.9)
Excludes1 (do not 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)
Where you may see this code
You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.
Related specialists
CardiologistGeneral PhysicianENT Specialist
Related codes
I30Acute pericarditiscategoryI31Other diseases of pericardiumcategoryI32Pericarditis in diseases classified elsewherecodeI33Acute and subacute endocarditiscategoryI34Nonrheumatic mitral valve disorderscategoryI35Nonrheumatic aortic valve disorderscategoryI36Nonrheumatic tricuspid valve disorderscategoryI37Nonrheumatic pulmonary valve disorderscategoryI38Endocarditis, valve unspecifiedcodeI39Endocarditis and heart valve disorders in diseases classified elsewherecodeI40Acute myocarditiscategoryI41Myocarditis in diseases classified elsewherecode
Sibling codes
I30Acute pericarditisI31Other diseases of pericardiumI32Pericarditis in diseases classified elsewherebillableI33Acute and subacute endocarditisI34Nonrheumatic mitral valve disordersI35Nonrheumatic aortic valve disordersI36Nonrheumatic tricuspid valve disordersI37Nonrheumatic pulmonary valve disordersI38Endocarditis, valve unspecifiedbillableI39Endocarditis and heart valve disorders in diseases classified elsewherebillableI40Acute myocarditisI41Myocarditis in diseases classified elsewherebillableI42CardiomyopathyI43Cardiomyopathy in diseases classified elsewherebillableI44Atrioventricular and left bundle-branch blockI45Other conduction disordersI46Cardiac arrestI47Paroxysmal tachycardiaI48Atrial fibrillation and flutterI49Other cardiac arrhythmiasI50Heart failureI51Complications and ill-defined descriptions of heart diseaseI5ANon-ischemic myocardial injury (non-traumatic)billable
Coverage-related procedures and services
CPT 82172high
APOLIPOPROTEIN, EACH
Source: CMS coverage guidance
CPT 86141high
C-REACTIVE PROTEIN; HIGH SENSITIVITY (HSCRP)
Source: CMS coverage guidance
CPT 83090high
HOMOCYSTEINE
Source: CMS coverage guidance
CPT 83695high
LIPOPROTEIN (A)
Source: CMS coverage guidance
CPT 83700high
LIPOPROTEIN, BLOOD; ELECTROPHORETIC SEPARATION AND QUANTITATION
Source: CMS coverage guidance
CPT 83701high
LIPOPROTEIN, BLOOD; HIGH RESOLUTION FRACTIONATION AND QUANTITATION OF LIPOPROTEINS INCLUDING LIPOPROTEIN SUBCLASSES WHEN PERFORMED (EG, ELECTROPHORESIS, ULTRACENTRIFUGATION)
Source: CMS coverage guidance
Coding guidelines
Compatibility
Legacy and official ICD code match exactly.
Legacy codes
I52
Common synonyms
Other heart disorders in diseases classified elsewhere
Frequently asked questions
About this content
This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.