During the winter months, patients may present with symptoms ranging from the common cold to influenza. International Classification of Diseases, 10th Revision, Clinical Modification (ICD-10-CM) offers a full range of codes for these conditions.

Starting with the common cold, J00, acute upper respiratory infections are reported with codes in categories J00–J06. However, an acute upper respiratory infection as a manifestation of influenza is typically reported with codes for influenza. For instance, when a patient with upper respiratory symptoms is diagnosed by her physician with influenza type B, it would be unnecessary to report a code for the upper respiratory symptoms. ICD-10-CM provides combination code J10.1 for reporting influenza due to other identified influenza virus with other respiratory manifestations. The identified type B influenza is an “other identified” influenza to differentiate from a novel influenza A virus that would be reported as “certain identified” influenza viruses with codes in...

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