professional component (PC)

That portion of a test or procedure (containing both professional and technical components) for which the physician reads and interprets but does not perform the test (i.e., interpreting an electrocardiogram [ECG], reading an x-ray, or making an observation and determination using a microscope). In hospital billing, this component is billed separately from the inpatient hospital charges.

Professional reinsurer

Insurance company that specializes in selling and servicing proportional reinsurance and nonproportional reinsurance with the objective of making a profit.
***
A term used to designate a company whose business is confined solely to reinsurance and the peripheral services offered by a reinsurer to its customers as opposed to primary insurers who exchange reinsurance or operate reinsurance departments as adjuncts to their basic business of primary insurance. The majority of professional reinsurers provide complete reinsurance and service at one source directly to the ceding company.

professional review organizations (PROs)

1. Groups of licensed physicians and osteopaths engaged in the practice of medicine or surgery in a particular area, formed to ensure adequate review of the services provided by the various medical specialties and subspecialties in the area, as well as providing DRG validation. 2. A group of physicians working with the government to review cases for hospital admission and discharge under government guidelines. Under the Medicare program, PROs are known as Quality Improvement Organization (QIO) programs. See also peer review and Quality Improvement Organization (QIO) program.