A Retrospective Study to Characterize Participants With Propionic Acidemia

Confirmed diagnosis of PA based on diagnosis by molecular genetic testing (propionyl-CoA carboxylase subunitα[PCCA] and/or propionyl-CoA carboxylase subunitβ[PCCB] mutations).

Participant provided informed consent (and assent, as applicable).

Medical records with sufficient data to support medical encounter for CEC adjudication (MEA adjudication) must be available dating back to birth or 01 January 2015, whichever occurs later. Participants born prior to 2015 will require additional information to confirm eligibility.

Experienced at least one MDE in the 24 months preceding the Index Date or experienced at least 3 MDEs within any one 12-month retrospective review period (based on Index Date) dating back to birth or 01 January 2015, whichever occurs later.