Glossary

a
Allowed Charge

This is the maximum value allowed by Medicarei for each specific CPTi described service.

AMA

American Medical Association: The American Medical Association helps doctors help patients by uniting physicians nationwide to work on the most important professional and public health issues.

ANSI

American National Standards Institute. Not a government agency. Private institute contracted by the Fed. Government to develop a unification of standards governing the accuracy and privacy of medical transactions.

AP Beam

Anterior Posterior Beami coming in from the front & exiting the back.

APC

Ambulatory patient costs. Same as APGi.

APG

APGi's are a patient classification system designed to explain the amount and type of resources used in a visit Patients in each APG have similar clinical characteristic and similar resource use and cost.

Applicator

A device of varying shape and size that is used to hold a radioactive source generally for brachytherapy.

Aquaplast

A thermo setting plastic that softens in hot water & solidifies on cooling. It is a device used to immobilize portions of the body during treatment such as the head, breast & abdomen.

ART- Adaptive Radiotherapy

Adaptive radiation therapy adapted to the tumor volume per treatment. Methods such as dosimetry and 3D are used in identifying the tumor volume to adapt to radiation therapy.