J84.0 is a "category code," which means it's non-billable. Billable codes require more specificity. Use the list below to navigate to codes that are more specific:
10
J84.01
Alveolar proteinosis
Billable
10
J84.02
Pulmonary alveolar microlithiasis
Billable
10
J84.03
Idiopathic pulmonary hemosiderosis
Billable
10
J84.09
Other alveolar and parieto-alveolar conditions
Billable