Patient presents with acute onset of influenza-like illness.  Symptoms include fever, chills, myalgia, cough, sore throat, and headache.  Onset of symptoms reported as approximately 24 hours prior to presentation.  Rapid influenza diagnostic test (RIDT) positive for Influenza A.  Assessment:  Influenza A infection.  Plan:  Supportive care including rest, fluids, and over-the-counter antipyretics such as acetaminophen or ibuprofen for fever and pain management.  Patient education provided regarding influenza transmission, prevention measures including hand hygiene, and the importance of staying home to prevent further spread.  Patient advised to return if symptoms worsen or do not improve within 7-10 days.  ICD-10-CM code J10.1  Influenza due to Influenza A virus confirmed.  CPT code 87804 for the influenza rapid test.  Differential diagnosis considered included viral upper respiratory infection, pneumonia, and acute bronchitis.  Patient's medical history reviewed and no significant comorbidities identified that would complicate the course of influenza.  Patient tolerating oral intake and respirations are unlabored.  No signs of respiratory distress.  Oxygen saturation within normal limits on room air.  Patient instructed to monitor for signs and symptoms of complications such as pneumonia and to return if these develop.