However, CPT code 77387 did not receive an assigned reimbursement value in the MPFS. Providers billing under Medicare were instructed to report IGRT services using the following Healthcare Common Procedure Coding System (HCPCS) G-codes and CPT code:
- G6001: Ultrasonic guidance for placement of radiation therapy fields
- G6002: Stereoscopic X-ray guidance for localization of target volume for the delivery of radiation therapy
- G6017: Intra-fraction localization and tracking of target or patient motion during delivery of radiation therapy (e.g., 3D positional tracking, gating, 3D surface tracking), each fraction of treatment
- 77014: Computed tomography guidance for placement of radiation therapy fields