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Table 2 Common CPT modifier codes, to be added after the five-digit CPT code (see Table 1)

From: Billing I-AIM: a novel framework for ultrasound billing

CPT modifierDescription of modifierExample
26Professional component of global feePhysician component of global fee for professional services including interpretation of diagnostic tests with separate signed report
52Partially reduced service providedTransvaginal ultrasound in known pregnant patient (76817, no limited code exists), but POCUS does not include all anatomic structures in the region required for billing
59Distinct procedural service—report procedures that are distinct but have the same CPT codeaMultiple soft tissue areas on different extremities examined for abscess vs cellulitis (76882)
76Repeat procedure by the same physicianbTrauma patient requiring a repeat FAST examination by an emergency physician for a change in clinical stability such as hypotension
77Repeat procedure by another physiciancTrauma patient requiring a repeat FAST examination by the trauma surgeon for a change in clinical stability such as hypotension
  1. aCPT current procedural terminology
  2. bSame physician—providers who are under the same group Medicare provider number on the same date of service or patient encounter
  3. cAnother physician—provider with a different group Medicare provider number on the same date of service or patient encounter