Table 1. Pneumonia diagnosis codes of the Korea standard classification of diseases.

Diagnostic codes	Disease name
A15, J16	Respiratory tuberculosis
B59	Pneumonia due to Pneumocystis carinii
J10, J11	Influenza with pneumonia
J12–J12.9	Viral pneumonia
J13	Pneumonia due to Streptococcus pneumoniae
J14	Pneumonia due to Hemophilus influenzae
J15–J15.9	Bacterial pneumonia
J16–J16.8	Pneumonia due to other infectious organisms
J17–J17.8	Pneumonia in diseases classified elsewhere
J18–J18.9	Pneumonia, organism unspecified
J69.0	Pneumonitis due to food and vomit
J82	Loffler's pneumonia
J84–J84.9	Other interstitial pulmonary diseases
P23.0–P23.9	Congenital pneumonia
P24.9	Neonatal aspiration pneumonia