Billing and Coding: Outpatient Observation Bed/Room Services
https://www.cms.gov/medicare-coverage-database/view/article.aspx?articleId=56673&LCDId=34552&Cntrctr=374*1&DateTag=C&kq=true
WebJul 11, 2019 · Under CPT/HCPCS Codes Group 2: Codes added 99221, 99222, 99223, 99231, 99232, 99233, 99238, 99239 and deleted 99217, 99218, 99219, 99220. The code description was revised for 99234, 99235 and 99236. This revision is due to the 2023 Annual/Q1 CPT/HCPCS Code Update and is retroactive effective for dates of service on or …
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