I read your Oct. 25 story on the new observation codes for 2011 (PBN 10/25/10). The new codes99224-99226 are said to be used as subsequent observation care between 99218-99220 (which to me makes sense) and codes 99221-99223 which are inpatient codes (this doesn't make sense to me). Why wouldn't we continue to use 99231-99233 for subsequent inpatient hospital care?
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