In Treasurer of the State As Custodian of the Second Injury Fund v. Parker, the Supreme Court of Missouri held, "[A]n employee who suffers a preexisting disability before his primary injury can meet the first condition [of 287.220.3.(2)(a)] regardless of whether he knew (or it had been determined) before suffering his primary injury that his preexisting disability equaled 50 weeks PPD." ${ }^{1}$ This holding is dispositive of the SIF's argument that the ALJ erred in considering employee's back condition in her PTD analysis because this ailment had not reached MMI before employee's primary injury.
Parker further expressly held that multiple qualifying preexisting disabilities could be considered in determining SIF liability under 287.220.3.(2)(a). ${ }^{2}$ This holding is dispositive of the SIF's contention that 287.220.3.(2)(a) and (b) permits an award of PTD only when a single qualifying preexisting disability combines with the primary injury to render employee PTD.
In his March 27, 2019, report Dr. Raymond Cohen found employee's 2015 lumbar surgery to be related to employee's November 13, 2013, work-related fall. This constitutes competent and substantial evidence that employee's 2015 back surgery was medically causally related to his 2013 compensable injury.
Dr. Cohen further testified to a synergistic effect between employee's hands, back and feet and stated that employee cannot sustain gainful employment "because of all the parts together" with employee's lumbar spine the most limiting, followed by his hands and wrists. ${ }^{3}$ This testimony supports the ALJ's finding that employee's polio disability combined with his carpal tunnel syndrome (and back disability) to result in PTD. We note Dr. Cohen and vocational expert Mr. Benjamin Hughes testified they would consider the employee PTD even considering only his 2013 back injury and 2014 workrelated carpal tunnel syndrome. ${ }^{4}$
Dr. Cohen found that employee's hand condition played a role in causing him to be unable to work in that it caused him to have difficulty with tasks involving use of his hands forcefully. ${ }^{5}$ This constitutes competent and substantial evidence that disability from employee's primary carpal tunnel syndrome occupational disease combined with his qualified preexisting conditions to result in his PTD.
Vocational expert Mr. Hughes' statement that he would not consider employee PTD if, hypothetically, he considered only certain expert opinions in isolation. This does not undermine his conclusion, based on Dr. Malone and Dr. Cohen's opinions and
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[^0]: ${ }^{1}$ Treasurer of the State As Custodian of the Second Injury Fund v. Parker, 622 S.W.3d 178, 182 (Mo banc, 2021).
${ }^{2}$ Treasurer of the State As Custodian of the Second Injury Fund v. Parker, 622 S.W.3d 178, 182 (Mo banc, 2021).
${ }^{3} Transcript, 92-93.
{ }^{4}$ Dr. Cohen further testified that employee would not be able to sustain gainful employment considering only his primary work injury of December 14, in combination with his November 2014 lower back injury. Tr. 93, 121. After originally stating on August 27, 2019, that he considered employee's PTD "from a combination of . . . preexisting issues alongside the primary injury of 12/02/2014" (Tr. 216) vocational expert Benjamin Hughes later opined on March 30, 2020, "per Dr. Cohen's updated report, I find the man's inability to work or compete to be based on his work injuries of 2013 and 2014." Tr. 217.
${ }^{5}$ Transcript, 95.
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restrictions, that employee is not able to compete for, gain, or maintain any job in the open labor market. ${ }^{6}$
We regard the ALJ's reference to the employee's "long history of disabling injuries and health conditions leading up to [his primary injury of] December 2, 2014"7 as extraneous to her ultimate finding that employee's preexisting back and polio-related conditions constituted qualifying preexisting disabilities pursuant to 287.2203.(2)(a) that, in combination with disability from employee's primary injury, resulted in PTD. We disavow this language herein.