I33.0
Acute and subacute infective endocarditis
Clinical Classification Guidelines
Use Additional Code
- code (B95-B97) to identify infectious agent
Inclusion Terms
- Bacterial endocarditis (acute) (subacute)
- Infective endocarditis (acute) (subacute) NOS
- Endocarditis lenta (acute) (subacute)
- Malignant endocarditis (acute) (subacute)
- Purulent endocarditis (acute) (subacute)
- Septic endocarditis (acute) (subacute)
- Ulcerative endocarditis (acute) (subacute)
- Vegetative endocarditis (acute) (subacute)
Medical Intelligence & Overview
Acute and subacute infective endocarditis are serious infections involving the inner lining of the heart's chambers and valves. This condition occurs when bacteria or other germs enter the bloodstream and infect the endocardium, leading to inflammation and potential damage to heart structures. Recognized under ICD-10 code I33.0, these forms of endocarditis can develop rapidly or more gradually, depending on the severity and the type of infection. Early diagnosis and treatment are vital to prevent complications such as heart valve damage or systemic infections.
Causes & Symptoms
Clinical Causes: Bacterial infections, most commonly caused by organisms such as Streptococcus or Staphylococcus species. Presence of pre-existing heart conditions like damaged valves, prosthetic heart valves, or congenital heart defects. Medical procedures involving the heart or blood vessels, such as surgeries or dental work, which may introduce bacteria into the bloodstream. Intravenous drug use, which can introduce pathogens directly into the blood. Poor dental hygiene or infections in other parts of the body that can spread bacteria through the bloodstream. Immunocompromised states due to illness or medications that reduce the body's ability to fight infections.
Key Symptoms: Persistent fever and chills Fatigue and weakness Unintended weight loss Night sweats Muscle and joint aches Shortness of breath or difficulty breathing Swelling in the extremities or abdomen New or worsening heart murmurs Petechiae (small red or purple spots on the skin) Splinter hemorrhages under the nails Osler's nodes (tender spots on fingertips or toes) Janeway lesions (non-tender spots on palms or soles)
Diagnostic & Treatment
Diagnosis Path: Diagnosing acute or subacute infective endocarditis involves a combination of methods:
Treatment Protocols: Treatment typically involves the use of antibiotics or antifungal medications aimed at eliminating the infection, administered over several weeks. In some cases, surgery may be necessary to:
Clinical Advice & FAQs
Billing Guidance
Is I33.0 a billable ICD-10 code?
Yes, I33.0 is a specific, billable code that can be used to indicate a diagnosis for reimbursement purposes.
Documentation
How do I report I33.0?
Clinical documentation must specify the nature of Acute and subacute infective endocarditis and any associated comorbidities for accurate reporting.
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