System error caused claims to incorrectly process through ...

Since the 1995 and 1997 guidelines or AMA CPT E/M Code and Guideline Changes for 2021 (effective for office/outpatient visits only for dates of service on and after January 1, 2021) each specify different criteria to determine the level of E/M service performed, only one set of guidelines may be used to document a specific patient visit. ................
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