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Table 1 ICD-10 codes used for the diagnostic groups

From: Effect of the Covid-19 pandemic on hospitalizations for non-Covid-19-pneumonia and exacerbations of chronic obstructive pulmonary diseases in Switzerland: comparison of national data between 2020/2021 and 2015–2019

Group

ICD-10

Diagnosis

AECOPD

J44.0

Chronic obstructive pulmonary disease with acute lower respiratory tract infection, including influenza

J44.1

Chronic obstructive pulmonary disease with acute exacerbation, unspecified

Pneumonia

J12

Viral pneumonia, not elsewhere classified

J12.0

Adenoviral pneumonia

J12.1

Respiratory

J12.2

Parainfluenza virus pneumonia

J12.3

Human metapneumovirus pneumonia

J13

Pneumonia due to Streptococcus pneumoniae

J14

Pneumonia due to Hemophilus influenzae

J15

Bacterial pneumonia, not elsewhere classified

J15.0

Pneumonia due to Klebsiella pneumoniae

J15.1

Pneumonia due to pseudomonas

J15.2

Pneumonia due to staphylococcus

J15.3

Pneumonia due to streptococcus group B

J15.4

Pneumonia due to other streptococci

J15.5

Pneumonia due to Escherichia coli

J15.6

Pneumonia due to other Gram-negative bacteria

J15.7

Pneumonia due to Mycoplasma pneumoniae

J15.8

Other bacterial pneumonia

J15.9

Bacterial pneumonia, unspecified

J16

Pneumonia due to other infectious organisms, not elsewhere

classified

J16.0

Chlamydial pneumonia

J16.1

Pneumonia due to other specified infectious organisms

J17

Pneumonia in diseases classified elsewhere

J18

Pneumonia, organism unspecified

J18.0

Bronchopneumonia, unspecified

J18.1

Lobar pneumonia, unspecified

J18.2

Hypostatic pneumonia, unspecified

J18.8

Other pneumonia, organism unspecified

J18.9

Pneumonia unspecified

Acute coronary syndrome

I21

Acute myocardial infarction

I20.0

Unstable angina pectoris

Stroke

I63

Cerebral infarction

I64

Stroke not referred to as haemorrhage or infarction

Covid-19

U071

Covid-19, virus identified

U072

Covid-19, virus not identified