DLD: diffuse lung disease; HSCT: Hematopoietic stem-cell transplantation; NOS: not otherwise specified and without specific diagnosis or classification
*Includes status post chemotherapy/radiation therapy and status post stem cell transplant
**Includes systemic lupus erythematosus, systemic juvenile inflammatory arthritis, dermatomyositis
*** Includes e-cigarette or vaping associated lung injury or other inhalation injury
# Incudes chronic granulomatous disease, severe combined immunodeficiency, common variable immunodeficiency
$Others represent diagnoses with 3 or fewer cases. See supplemental Table 1 for complete list.