PNC Financial Services Group Inc. has acquired Healthcare Administration Technologies Inc.

PNC, Pittsburgh, is a large bank that already runs a large health care transaction processing operation, but it has not owned a clearinghouse.

Healthcare Administration, Tulsa, Okla., is a large health care clearinghouse.

A clearinghouse helps doctors, employers, hospitals, insurers and others exchange health claim and health payment information.

The price of the Healthcare Administration deal and other terms were not immediately available.