________ Optional surgery is considered medically necessary but can be performed when the patient wishes

For an AP oblique left hip projection (modified Cleaves method), the patient was positioned with the left ASIS placed closer to the imaging table than the right ASIS. On such a projection, the left hip demonstrates

1. a narrowed obturator foramen. 2. a widened iliac wing. 3. the iliac spine without pelvic brim superimposition. 4. the sacrum and coccyx without symphysis pubis alignment. a. 1 and 2 only b. 2, 3, and 4 only c. 1, 3, and 4 only d. 1, 2, 3, and 4

Guidelines located at the beginning of the Medicine section provide instruction about

a. services in pathology and laboratory, separate procedures, unlisted services or procedures, and special reports. b. subject listings, separate procedures, unlisted services or procedures, special reports, and supervision and interpretation. c. follow-up care for diagnostic procedures, separate procedures, unlisted services or procedures, special reports, and supplied materials. d. add-on codes, separate procedures, unlisted services or procedures, special reports, imaging guidance, and supplied materials.