Identifies the total radiation dose delivered to the patient in the first phase of radiation treatment during the first course of treatment. The unit of measure is centiGray (cGy). This data item is required for CoC-accredited facilities as of 01/01/2018.

To evaluate the patterns of radiation care, it is necessary to capture information describing the prescribed dose of Phase I radiation to the patient during the first course of treatment. Outcomes are strongly related to the total dose delivered.

000000	No therapy administered
000001-999997	Record the actual total dose delivered in cGy
999998	Not applicable, radioisotopes administered to the patient
999999	Radiation therapy was administered, but the dose is unknown; it is unknown whether radiation therapy was administered