Under which of the following conditions is it necessary to use a grid for an axial shoulder projec-tion?
1. The AP measurement is over 4 inches (10 cm).
2. The kilovoltage used is above 60.
3. The inferosuperior measurement is over 4 inches (10 cm).
4. The kilovoltage used is below 60.
a. 1 and 2 only
b. 2 and 3 only
c. 1 and 4 only
d. 3 and 4 only
B
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The injured worker or the insurance company must dispute an impairment rating or maximum medical improvement date within:
30 days from the date of notice. 45 days from the date of notice. 90 days from the date of notice. 120 days from the date of notice.
In billing a managed care program, it is important to do all of the following EXCEPT:
a. establish eligibility of the patient. b. determine if preauthorization is necessary for services already provided. c. keep the chart as directed in the MCP manual. d. copy the membership card.