A coder assigns a code for acute respiratory failure as the principal diagnosis for a patient admitted with pneumonia. The physician's final diagnosis lists only pneumonia. What should the QA auditor do?
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A
Accept the coder's assignment since acute respiratory failure is more specific
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B
Flag it for a physician query to clarify the principal diagnosis
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C
Automatically change the principal diagnosis to pneumonia
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D
Leave the code unchanged to protect MS-DRG reimbursement