Cal. Code Regs. tit. 8, § 9789.17.1
(a) Specified diagnostic imaging procedures are designated in the “Diagnostic Imaging Service Subject to the Multiple Procedure Payment Reduction (MPPR)” file of the CMS Physician Fee Schedule final rule, and in the CMS National Physician Fee Schedule Relative Value excel file, to indicate that the Multiple Procedure Payment Reduction (MPPR) shall be applied to the professional component (PC) and technical component (TC) of the procedure, when multiple services are furnished to the same patient, in the same session, on the same day, by one or more physicians in the same group practice. The MPPR shall apply to both PC-only services, TC-only services, and to the PC and TC of global services. If the procedure is reported in the same session, on the same day, and furnished to the same patient, by one or more physicians in the same group practice (same Group National Provider Identifier (NPI)), the maximum reimbursement shall be determined as follows:
(1) Full payment is made for each PC and TC with the highest payment under the physician fee schedule.
(2)(A) For services rendered prior to March 1, 2017 payment is made at 75 percent for subsequent PC services furnished to the same patient, in the same session, on the same day, by one or more physicians in the same group practice (NPI).
Note: Authority: Sections 133, 4603.5, 5307.1 and 5307.3, Labor Code. Reference: Sections 4600, 5307.1 and 5307.11, Labor Code
1. New section filed 9-24-2013; operative 1-1-2014. Submitted to OAL as a file and print only pursuant to Government Code section 11340.9(g) (Register 2013, No. 39).
2. Amendment of subsection (a) filed 3-23-2016; operative 1-1-2016 pursuant to Labor Code section 5307.1(g)(2). Submitted to OAL for filing and printing only pursuant to Labor Code section 5307.1(g)(2) (Register 2016, No. 13).
3. Redesignation and amendment of subsection (a)(2) as new subsection (a)(2)(A) and new subsection (a)(2)(B) filed 7-18-2017; operative 3-1-2017. Submitted to OAL as a file and print only pursuant to Labor Code section 5307.1(g)(2) (Register 2017, No. 29).