A/B MAC (A) - Swing-bed - Inpatient Ancillary Claims -

100.4.2.1 - A/B MAC (A) - Swing-bed - Inpatient Ancillary Claims - Medicare Part B - Claims Processing (Rev. 1040, Issued: 08-25-06, Effective: 09-11-06, Implementation: 09-11-06) The IHS hospital swing-bed Medicare Part B inpatient ancillary bills revert to inpatient Medicare Part B ancillary bills and are submitted under the regular hospital (or CAH) provider number (not the swing-bed provider number) with revenue code 0240 (all inclusive ancillary) on TOB 12X (inpatient Part B). The MSN is suppressed.