1._k_nine-digit code on the envelope.

2._d_attaching a debtor's property and wage bty court order so debt can be paid.

3._c_record showing charges, payments, adjustments, and balance owed by patient.

4. __message or phrase to remind a person about a delinquent payment.

5. combination bill, insurance form, and routing document.

6. list of medical procedures, and services and fees charged.

7. written acknowledgement of payment.

8. _unsecured account where credit has been extended without a formal contract.

9. __common law principle on which fees are based.

10. b._set amounts for each professional service.