When coding CPT procedures, coders should check whether a _______ is needed

The AEMT shows that he is correctly using the flow-restricted, oxygen-powered ventilation device when he:

A) increases pressure if the air enters the stomach instead of the lungs. B) ventilates the patient at a rate of 20 breaths per minute. C) stops ventilating as soon as the patient's chest begins to rise. D) administers each ventilation over a two- to three-second period.

Which of the following diagnoses is reported with code H27.00?

a. acquired aphakia of left eye b. acquired absence of lens c. right eye aphakia due to trauma d. bilateral aphakia