Table 1

Generating expert rules from an ICD-9-CM coding guide.

CODING GUIDE
GENERATED EXPERT RULES

label 518.0
if document contains
 Pulmonary collapse
pulmonary collapseOR
 Atelectasis
atelectasisOR
 Collapse of lung
collapse of lungOR
 Middle lobe syndrome
middle lobe syndrome
 Excludes:
AND document NOT contains
  atelectasis:

   congenital (partial) (770.5)
congenital atelectasisAND
   primary (770.4)
primary atelectasisAND
   tuberculous, current disease (011.8)
tuberculous atelectasis

add label 518.0

Farkas and Szarvas BMC Bioinformatics 2008 9(Suppl 3):S10   doi:10.1186/1471-2105-9-S3-S10