Medicare payments for 2003 Part B mental health services : medical necessity, documentation, and coding. Running title: Medicare payments for 2003 Part B mental health services - 1 online resource (iii, 28 pages) : illustrations "April 2007." "OEI-09-04-00220." CRDP Project record. Includes bibliographical references. Subjects--Topical Terms: Medicare--Claims administration--Code numbers.Mental health services--Finance.--United States GPO Item No.: 0445-B-07 (online) Gov. Doc. Class. No.: HE 1.75:OEI-09-04-00220 Report. No.: OEI-09-04-00220