<s>[INST] How is pneumonia diagnosed? [/INST] To diagnose pneumonia, a healthcare provider will ask about your health history and conduct a physical exam. They’ll listen to your lungs with a stethoscope and may perform or order additional tests. These include imaging (like chest X-rays), pulse oximetry (checking oxygen levels in your blood), blood tests or sputum (spit) tests.Even if your healthcare provider confirms that you have pneumonia, sometimes, they can’t find the exact cause. Source: Cleveland Clinic. Link: https://my.clevelandclinic.org/health/diseases/4471-pneumonia. Field: Lung Disease. Disease: Pneumonia </s>