Which of the following BEST defines the term "diagnostic testing"?

A. The results of any laboratory, pathology, radiology, medical, or other diagnostic testing to determine a final diagnosis; may be presented in a variety of forms, including, but not limited to, a report, itemized results, images, scans, or compiled records
B. Identified information obtained by the physician that identifies the internal structure, status, physiology, or pathology within the patient's body through tests that facilitate identification and diagnosis of the presenting problem
C. A specific test used to determine the internal function, status, structure, and/or pathology occurring within the patient; includes laboratory tests, radiology rests, or even endoscopies
D. Identified information that could help facilitate the diagnosis of the presenting problem; includes the results of diagnostic testing, the patient's old medical records, and additional history from the patient's family or caretaker

C