12 Modifiers DOD Modifiers 00 Base Modifier 21Prolonged E&M Service 22 Unusual Procedural Service 26 Professional Component 32 Technical Component 50 Bilateral Procedures 51 Multiple Procedures 90 External Laboratory 99 Multiple Modifiers INGENIX Modifiers (None) Base Modifier 26 Professional Component 53 Discontinued Procedure NU New Durable Medical Equipment RR Rented Durable Medical Equipment UE Used Durable Medical Equipment TC Technical Component
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