Author Question: The code reported in Block 21A of the CMS-1500 claim is the major reason the patient was treated by ... (Read 202 times)

arivle123 · **on:** Jun 27, 2018

The code reported in Block 21A of the CMS-1500 claim is the major reason the patient was treated by the health care provider. It is called the __________ diagnosis.
a. comorbid
b. first-listed
c. primary
d. principal

Question 2

Diagnoses must be entered in the patient's record to validate __________ of procedures or services billed.
a. documentation
b. frequency
c. medical necessity
d. submission