Sandra has received a denial of an insurance claim stating that the procedure is not justified by the diagnosis. What should she do related to this claim?
A. Adjust the patient's bill, because insurance will not pay.
B. Charge the patient, because insurance has denied the claim.
C. Review the claim information, correct any errors, find a more specific code if possible, and resubmit the claim.
D. Check the insurance claim register to be sure that the claim was sent to the correct insurance company.