Diagnosis of sarcoidosis by established criteria.

Patient has completed pulmonary function tests (spirometry) as per standard of care at the enrollment visit.

Ability to understand and read English at least at a 7th grade level.

Have access to a computer, iPad, smart phone, or another electronic device that will support the on-line sarcoidosis assessment platform.

The subject is willing to wear a daily activity and sleep tracker wristband (Fitbit ™ wristband) for 6 months.

Patient Reported Outcome Instruments in Sarcoidosis