ICD-10-CM > J00-J99 > J00-J06 > J06 > J06.9 J06.9 Acute upper respiratory infection, unspecified Billable/Specific Copy Code Copy Description Applicable To Upper respiratory disease, acuteUpper respiratory infection NOS Use Additional code (B95-B97) to identify infectious agent, if known, such as:respiratory syncytial virus (RSV) (B97.4)