Existing Wording: The PCPs back-office staff sends the cardiology referral request to the patients insurance company for approval.

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The office staff faxes the referral request to the cardiology office that includes the patients demographics

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The cardiologist's office may (or may not) notify the PCP office of the patients appointment.

Proposed Wording: The PCPs back-office staff sends the cardiology referral request to the patient's insurance company for approval.

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The office staff faxes the referral request to the cardiology office that includes the patient's demographics

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The cardiologist's office may (or may not) notify the PCP office of the patient's appointment.

Comment:

Update "patients" to "patient's"

Summary:

Update "patients" to "patient's"