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Table 1 Acute lower respiratory infection ICD codes

From: Hospital utilization rates for influenza and RSV: a novel approach and critical assessment

ICD Version

Code

Description

ICD-10

J10

Influenza due to identified seasonal influenza virus

ICD-10

J11

Influenza, virus not identified

ICD-10

J12

Viral pneumonia, not elsewhere classified

ICD-10

J13

Pneumonia due to Streptococcus pneumoniae

ICD-10

J14

Pneumonia due to Haemophilus influenzae

ICD-10

J15

Bacterial pneumonia, not elsewhere classified

ICD-10

J16

Pneumonia due to other infectious organisms, not elsewhere classified

ICD-10

J18

Pneumonia, organism unspecified

ICD-10

J20

Acute bronchitis

ICD-10

J21

Acute bronchiolitis

ICD-10

J22

Unspecified acute lower respiratory infection

ICD-9

466

Acute bronchitis and bronchiolitis

ICD-9

480

Viral pneumonia

ICD-9

481

Pneumococcal pneumonia

ICD-9

482

Other bacterial pneumonia

ICD-9

483

Pneumonia due to other specified organism

ICD-9

484

Pneumonia in infectious diseases classified elsewhere

ICD-9

485

Bronchopneumonia, organism unspecified

ICD-9

486

Pneumonia, organism unspecified

ICD-9

487

Influenza

ICD-9

488

Influenza due to identified avian influenza virus

  1. ICD codes used to identify ALRI primary admissions. Note that all more detailed codes below those listed were also included