35 Pa. Stat. § 10262
The following words and phrases when used in this act shall have the meanings given to them in this section unless the context clearly indicates otherwise:
"Diagnostic imaging service." A medical imaging test performed on a patient that is intended to diagnose the presence or absence of a disease, including, but not limited to, a malignancy.
"Diagnostic radiograph." A projectional radiograph that acquires an image or digital image with x-rays to produce a high contrast, two-dimensional image, otherwise known as an x-ray.
"Health care practitioner." As defined in section 103 of the act of July 19, 1979 ( P.L. 130, No.48), known as the Health Care Facilities Act.
"Significant abnormality." A finding by a diagnostic imaging service of an abnormality or anomaly which would cause a reasonably prudent person to seek additional or follow-up medical care within three months.
35 P.S. § 10262