Concurrency is defined with regard to the maximum number of procedures that the physician is medically directing within the context of a single procedure and whether these other procedures overlap each other.
Cal. Code Regs. Tit. 8, § 9789.18.4
Note: Authority: Sections 133, 4603.5, 5307.1 and 5307.3, Labor Code. Reference: Sections 4600, 5307.1 and 5307.11, Labor Code.