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    Wiki OBSERVATION PATIENT CODING PLACE OF SERVICE

    Observation codes have been deleted for 2023. We have to crosswalk them to inpatient codes. 99221, 99222, 99223, etc. For dates of service beginning 1/01/23, the payers are rejecting the observation place of service, 22, stating that the 99221, 99222, etc, can only be used in POS 21. (CGS...
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