Does the diagnosis of sinusitis provide medical necessity for the request for prior authorization to perform an EKG? If yes, why? If no, why not?

no

Explanation:

No, because it is a sinus infection that is course by bacteria in the mucus that cause inflammation. No clinical rotational for this service and diagnose

answer:

i don't believe the ocean is purple, but it might once have been:

as for the sky, according to nasa:

"sunlight reaches earth's atmosphere and is scattered in all directions by all the gases and particles in the air. blue light is scattered more than the other colors because it travels as shorter, smaller waves. this is why we see a blue sky most of the time."