248 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 category J09. Code J10.1 includes manifestations such as pharyngitis, laryngitis, and other upper respiratory symptoms. However, acute sinusitis associated with influenza would be separately reported with a code from category J01. Other codes for influenza include manifestations such as pneumonia, gastrointestinal symptoms, and otitis media. Hopefully, upper respiratory symptoms will not often be associated with influenza because patients will have been previously assigned code Z23, encounter for immunization, on receipt of an influenza vaccination. When not associated with influenza, conditions represented by codes in categories J00–J06 include acute forms of sinusitis, pharyngitis, tonsillitis, laryngitis, and tracheitis. Acute sinusitis is reported with codes in category J01 and an additional code from categories B95–B97 to identify the infectious agent when identified. Categories B95–B97 include codes specifying certain bacterial and viral infectious agents as the cause of condi- tions classified elsewhere (eg, B95.3, Streptococcus pneumoniae as the cause of diseases classified elsewhere). Codes in category J01 are not reported for chronic sinusitis (J32.0– J32.8), though acute and chronic sinusitis may be reported when applicable. Codes for acute sinusitis specify the type of sinusitis (eg, maxillary) and when applicable, recurrence of the condition. If sinusitis is not documented as acute or chronic, code J32.9 is used to report unspecified sinusitis. Acute pharyngitis without an identified causal organism is reported with code J02.9. Streptococcal pharyngitis has a combination code, J02.0, that includes the causal organ- ism. Acute pharyngitis due to other specified organisms will require reporting of 2 codes. Code J02.8 specifies the pharyngitis due to other specified organisms, and a code from categories B95–B97 should be additionally reported to indicate the infectious agent. Codes for acute tonsillitis may be reported with codes in category J03 when tonsillitis is due to streptococcal infection. Streptococcal tonsillitis is reported as acute or acute recurrent (J03.00–J03.01). Acute or recurrent acute tonsillitis codes J03.80–J03.81 are reported when the condition is due to other specified organisms classified in categories Appendix B-11 Sniffling, Coughing, Aching All Over
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