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    Health & Kinesiology
  3. Study Set
    Understanding Health Insurance
  4. Exam
    Exam 11: Essential Cms-1500 Claim Instructions
  5. Question
    The Code Reported in Block 21A of the CMS-1500 Claim
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The Code Reported in Block 21A of the CMS-1500 Claim

Question 13

Question 13

Multiple Choice

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

Correct Answer:

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