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Table 1 ICD codes used to define reason for presentation to ED

From: Air pollution events from forest fires and emergency department attendances in Sydney, Australia 1996–2007: a case-crossover analysis

Reason for presentation

ICD-9

ICD-10-AM

All non-trauma causes

001-799

A00-R99

Respiratory diseases (all)

460-519

J00-J99 (excluding J95.4 to J95.9), R09.1, R09.8

 Asthma

493

J45-J46,

 Chronic obstructive pulmonary disease (COPD)

490-492, 494-496

J40-J44, J47, J67

 Pneumonia or acute bronchitis

466, 480-486

J12-J17, J18.0, J18.1, J18.8, J18.9, J20, J21

Cardiovascular diseases (all)

390-459

I00-I99 (excluding I67.3, I68.0, I88, I97.8, I97.9, I98.0), G45 (excluding G45.3), G46, M30, M31, R58

 Ischemic heart diseases (IHD)

410-413

I20-I25

 Arrhythmias

427

I46-I49

 Cardiac failure (CF)

428

I50

 Cerebrovascular diseases

430-438

I60-I69 (excluding I67.0, I67.3, I68.0), G45 (excluding G45.3), G46