Medical necessity is based on
A. the relationship between the diagnosis and the treatment provided.
B. number of diagnoses.
C. extent of treatment.
D. number of procedures.
Answer: A
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Abstract from Documentation: Refer to Puncture, Lumbar in the Alphabetic Index. What reference is provided in the index?
Procedure: Lumbar puncture Indication: Paresthesias Procedure: Prior to the procedure, the relevant films were reviewed. Informed consent was obtained from the patient. The patient was placed on the procedure table in prone position. The lower spine was examined with fluoroscopy. The area was then marked. The L3–L4 area was then prepped and draped in the usual fashion using chlorhexidine swab. Approximately 5 cc of 1 percent lidocaine was then used to anesthetize the area. A 20-gauge, 10 cm spinal needle was then advanced under direct fluoroscopic guidance into the thecal sac. The stylette was then removed, demonstrating adequate CSF backflow. Opening pressure was approximately 115 cm of water. Approximately 24 cc of fluid was removed without complication. Closing pressure was about 75 cm of water. Needle was then removed and bandage applied. 0.3 minutes of fluoroscopy time were utilized. The patient was instructed to lie in the horizontal position for at least 2 hours to decrease risk of spinal headache.
Which of the following is characteristic of carbon monoxide poisoning?
A. It rarely occurs in closed spaces. B. There are never any symptoms. C. It is caused by a yellowish gas that smells like sulfur. D. People usually know they are being poisoned. E. It is a major cause of inhalation poisoning in the home.
Which of the following converts printed matter into a form that can be read by a computer?
A. Monitor B. Scanner C. Printer D. Mouse E. Keyboard