Patient presents with symptoms consistent with a viral respiratory illness (URI), also known as a common cold or upper respiratory infection.  Onset of symptoms, including nasal congestion, rhinorrhea, sore throat, cough, and mild headache, began approximately two days prior to presentation.  Patient denies fever, chills, or shortness of breath.  Physical exam reveals erythematous oropharynx, clear rhinorrhea, and mild cervical lymphadenopathy.  Lungs are clear to auscultation.  Vital signs are within normal limits.  Diagnosis of viral respiratory illness is made based on clinical presentation.  Rapid strep test is negative.  Influenza screening is negative.  Treatment plan includes symptomatic management with over-the-counter medications such as analgesics for pain and fever (if present), decongestants for nasal congestion, and cough suppressants as needed.  Patient education provided regarding hydration, rest, and prevention of transmission.  Follow-up as needed.  Differential diagnoses considered include allergic rhinitis, bacterial pharyngitis, and influenza.  ICD-10 code J06.9 (Acute upper respiratory infection, unspecified) is appropriate for this encounter.  CPT code 99213 (Office or other outpatient visit for the evaluation and management of an established patient) may be considered depending on the complexity of the visit.  Patient advised to return if symptoms worsen or do not improve within 7-10 days.