Authorities as the decision cited them, with how this panel applied each one.
Labor Code section 3208.3
An employee must demonstrate by a preponderance of the evidence that actual events of employment were predominant as to all causes combined of the psychiatric injury to establish compensability.
Applied to determine compensability of applicant's psychiatric injury.
From the decision · page 6(1) In order to establish that a psychiatric injury is compensable, an employee shall
demonstrate by a preponderance of the evidence that actual events of employment
were predominant as to all causes combined of the psychiatric injury.
Labor Code section 4660.1
Section 4660.1(c) bars an increase in permanent impairment rating for psychiatric injury that is a compensable consequence of a physical injury occurring on or after January 1, 2013, except for injuries due to violent acts or catastrophic injuries.
Considered in deferring the issue of increased impairment rating for psychiatric injury.
From the decision · page 7Section 4660.1(c) bars an increase in an injured worker's permanent impairment rating for
a psychiatric injury that is a compensable consequence of a physical injury occurring on or after
January 1, 2013. However, an injured worker may receive an increased impairment rating for a
compensable consequence psychiatric injury if the injury that the psychiatric injury resulted from
is due to: (1) being a victim of a violent act or direct exposure to a significant violent act, or (2) a
catastrophic injury. (Section 4660.1(c)(2).)
Wilson v. State of CA Cal Fire (2019) 84 Cal.Comp.Cases 393
The psychiatric injury must be predominantly caused by actual events of employment, meaning more than 50 percent causation, for compensability under section 3208.3(b)(1).
Applied to interpret predominant causation for psychiatric injury compensability.
From the decision · page 7"Predominant as to all causes" for purposes of section 3208.3(b)(1) has been interpreted to
mean more than 50 percent of the psychiatric injury was caused by actual events of employment.
(Dept. of Corr. v. Workers' Comp. Appeals Bd. (Garcia) (1999) 76 Cal. App. 4th 810, 816 [90 Cal.
Rptr. 2d 716, 64 Cal.Comp.Cases 1356].) This predominant causation threshold applies to
psychiatric injuries pled as a compensable consequence of a physical injury. (Lockheed Martin
Corp. v. Workers' Comp. Appeals Bd. (McCullough) (2002) 96 Cal.App.4th 1237, 1249 [117 Cal.
Rptr. 2d 865, 67 Cal.Comp.Cases 245].) The Court of Appeal in McCullough opined that for a
compensable consequence psychiatric injury, "the precipitating physical injury constitutes an
'actual event[] of employment' within the meaning of [section 3208.3(b)(1)]." (Id.)