​Differential diagnosis of causes of hypersensitivity pneumonitis

​Differential diagnosis of causes of hypersensitivity pneumonitis 
-detergent worker’s lung 
-suberosis ( moldy cork dust)
-mushroom picker’s disease (moldy compost) 
-Maple bark stripper’s disease
-sequoiosis (moldy redwood sawdust) 
-bagassosis (moldy sugar cane fiber)
-bird’s fancier lung (pigeon-breeder’s disease)
-humidifier lung (contaminated humidifier, heating or air conditioning)
-farmer’s lung (mold hay)