How are values assigned using the payment methodology called the Relative Value Scale (RVS)?

A patient receiving ventilatory support is being provided with humidification using a heat and moisture exchanger (HME)

A physician orders a bronchodilator drug administered through a metered dose inhaler (MDI) via the ventilator circuit. Which of the following must be performed to ensure delivery of the drug to the patient? a. The inspiratory flow setting of the venti-lator should be increased. b. The HME must be removed from the cir-cuit during MDI use. c. The VT setting of the ventilator should be decreased. d. A heated humidifier should replace the HME when using the MDI.

If a claim is denied because services were provided before insurance coverage was in effect, the medical office specialist should:

A) bill the patient. B) write off the entire amount. C) wait until the effective date of the coverage, then bill the insurance carrier. D) change the date of service and resubmit the claim.