Thanks to anyone who can help me!

I work for a medical practice, and I'm trying to quickly find the payments of our contractual reimbursements based on the insurance name and CPT (procedure code). Hopefully I'll explain this clearly...I have a spreadsheet where I'm trying to get a return value if two columns of criteria are selected/compared.

On the first worksheet I have a mixture of all of our procedures billed for the year (over 18,000 rows). IE -
Aetna 99214
Aetna 31231
Aetna 92511

On the second worksheet I have what we should be paid from those insurance companies for each procedure. IE -
Aetna 99214 $175
Aetna 31231 $350
Aetna 92511 $300

What formula can I use to quickly lookup the reimbursement we should have received?

Thanks again for your help!