43 Obstructive respiratory diseases
- 4301 Obstructive pulmonary disease (including rhinopathy) caused by allergenic agents which has compelled the omission of all activities which were or may be the cause of the onset, worsening or resurgence of the disease
- 4302 Obstructive pulmonary diseases caused by chemically-irritative or toxic substances have forced the omission of all activities that were or may be responsible for the onset, worsening or resurgence of the disease