Modifiers: Approved List (modif app) - Medi-Cal

Discontinued/ Invalid Modifier Discontinuation Date Modifier Description 21 September 1, 2009 Prolonged evaluation and management services (see Evaluation and Management [E&M] section in the appropriate provider manual on how to bill for prolonged E&M visits). 60 May 1, 2009 Altered surgical field. ... Modifiers: Approved List (modif app) ... ................
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