Claimant failed to meet his burden of proving he is entitled to workers' compensation benefits because there is no medical evidence to prove his alleged work accident caused his medical condition, and there is no expert medical evidence to prove he is in need of future medical treatment as a result of an alleged work accident.
Under Missouri law, it is well-settled that the claimant bears the burden of proving all the essential elements of a workers' compensation claim, including the causal connection between the accident and the injury. Grime v. Altec Indus., 83 S.W.3d 581, 583 (Mo.App. W.D.2002); see also Davies v. Carter Carburetor, 429 S.W.2d 738, 749 (Mo.1968); McCoy v. Simpson, 346 Mo. 72, 139 S.W.2d 950, 952 (1940). Furthermore, the element of causation must be proven by medical testimony, "without which a finding for claimant would be based on mere conjecture and speculation and not on substantial evidence." Grime, 83 S.W.3d at 583 (citing Jacobs v. City of Jefferson, 991 S.W.2d 693, 696 (Mo.App. W.D.1999)) (emphasis added).
The testimony of a claimant or other lay witness can constitute substantial evidence of the nature, cause, and extent of disability when the facts fall within the realm of lay understanding. Silman v. William Montgomery \& Associates, 891 S.W.2d 173, 175 (Mo.App. E.D. 1995); McGrath v. Satellite Sprinkler Systems, 877 S.W.2d 704, 708 (Mo.App. E.D. 1994). Id. Medical causation, not within the common knowledge or experience, must be established by scientific or medical evidence showing the cause and effect relationship between the complained of condition and the asserted cause. McGrath, supra. Where the condition presented is a sophisticated injury that requires surgical intervention or other highly scientific technique for diagnosis, and particularly where there is a serious question of preexisting disability and its extent, the proof of causation is not within the realm of lay understanding nor -- in the absence of expert opinion -- is the finding of causation within the competency of the administrative tribunal. Silman, supra at 175,176 .
Because there was no expert medical evidence admitted to prove Claimant's alleged accident caused the injury and symptoms he complains of, his claim fails, and he is not entitled to recover any benefits from Employer for the alleged injury. The remaining issues are moot.
The Claim for Compensation is denied.
A true copy: Attest:
Naomi Pearson
Division of Workers' Compensation
Made by: $\qquad$
Margaret D. Landolt
Administrative Law Judge
Division of Workers' Compensation