Stages of Allergic Bronchopulmonary Aspergillosis*

Stage

Description

Criteria

I

Acute

All diagnostic criteria present

II

Remission

Symptoms resolved for > 6 months

III

Relapse

Recurrence of 1 of the diagnostic criteria

IV

Refractory

Corticosteroid-dependent or refractory to treatment

V

Fibrosis

Diffuse fibrosis and bronchiectasis

* Stages do not progress sequentially.