Ages Eligible for Study 

18 Years and older (Adult,  Older Adult )

Sexes Eligible for Study 

All

Accepts Healthy Volunteers 

No

Sampling Method

Non-Probability Sample

Inclusion Criteria:

• Study Population 1: PWP (open for recruitment)

  1. Meet Movement Disorder Society (MDS) Clinical Diagnostic Criteria for Parkinson's Disease: probable diagnosis.
  2. Willingness to undergo genetic testing, and choose to be informed of genetic testing results for GBA, LRRK2 and 5 additional PD related genes (SNCA, VPS35, PRKN, PINK-1, PARK7).
  3. Capacity to give full informed consent in writing or electronically, and have read and signed the informed consent forms (ICFs) based on site clinician's determination.
  4. Able to perform study activities (including completion of either online, in-person or paper surveys).

Study Population 2: People at risk of developing PD (not open for recruitment)

1. Family members of Study Population 1 may be invited to participate in the study if confirmatory genetic testing is deemed necessary by the genetic testing laboratory.

Study Population

Any person with probable diagnosis of Parkinson's disease according to the Movement Disorders Society criteria.