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Table 2 Most common ICD9CM diagnoses in lower respiratory infection encounters. Individual episodes can have two of these diagnoses.

From: Using automated medical records for rapid identification of illness syndromes (syndromic surveillance): the example of lower respiratory infection

ICD9CM

Description

Count

Percentage

   

of Total

786.2

Cough

62634

52.8

486

Pneumonia, organism not otherwise

27681

23.4

 

specified

  

466.0

Acute bronchitis

18286

15.4

466.1

Acute bronchiolitis

5594

4.7

487.1

Influenza with respiratory

1902

1.6

 

manifestations, not elsewhere

  
 

classified

 Â