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2025 ICD-10-CM code A41.3

Sepsis due to Haemophilus influenzae.

Use additional code to identify resistance to antimicrobial drugs (Z16.-).

Medical necessity for treatment is established by the diagnosis of sepsis due to H. influenzae.

Clinicians should diagnose sepsis based on symptoms, history, and physical findings. Laboratory tests of blood, respiratory secretions, and vomit can detect the bacteria. Treatment includes antibiotics, glucocorticoids, and supportive care like oxygen and intravenous fluids.

In simple words: Sepsis due to Haemophilus influenzae is a serious condition where the body overreacts to H. influenzae bacteria in the bloodstream. Symptoms can include fever, low blood pressure, difficulty breathing, confusion, and abdominal pain.

Sepsis due to Haemophilus influenzae is a severe systemic inflammatory response syndrome resulting from infection with Haemophilus influenzae bacteria.

Example 1: A 5-year-old child presents with fever, rapid heart rate, and difficulty breathing, later confirmed as H. influenzae sepsis., An adult with a weakened immune system develops sepsis after an H. influenzae respiratory infection., An elderly patient experiences mental confusion and abdominal pain, diagnosed as H. influenzae sepsis.

Documentation should include the type of infection, causative agent (H. influenzae), and evidence of systemic inflammatory response.

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