A claim is denied with the reason 'Subscriber and Patient Not a Match.' Which of the following errors during the patient access process is the most likely cause?
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A
Failing to obtain prior authorization for the service.
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B
Transposing digits in the subscriber's policy number during data entry.
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C
Not collecting the patient's co-pay amount at the time of service.
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D
Incorrectly entering the patient's primary diagnosis code.