: a rare genetic disorder in which the body is unable to absorb dietary fats and fat-soluble vitamins (such as vitamin A and E) because of an absence of apolipoprotein B-containing lipoproteins (such as chylomicrons and VLDLs) in the blood plasma Abetalipoproteinemia presents initially in the neonatal period with gastrointestinal manifestations ...
grievance procedure. Definition. A process instituted by a health plan or benefit provider for policyholders to file complaints.
A grievance is different from a complaint. A. grievance is a request on the part of a member, a memberâs. representative, or a health care provider (with written. member consent) to have a managed care plan reconsider. a decision solely concerning the medical necessity and. appropriateness of a health care service.