The claimant was involved in a motor vehicle accident in 2017. She applied to the LAT seeking catastrophic impairment determination under Criteria 8 and entitlement to numerous medical benefits. Adjudicator Shapiro excluded the report and testimony of a s. 44 assessor for failure to comply with an order to produce raw testing data. Rather than excluding testimony of assessors who did not provide expert duty forms, Adjudicator Shapiro considered the lack of expert duty form when weighing their testimony. The “but for” test was determined to be the appropriate test for determining causation. Adjudicator Shapiro found that the claimant did not have Class 4 impairments in three or more spheres of function and therefore did not meet the CAT definition under Criteria 8. The analysis focused on function in the sphere of Activities of Daily Living. Adjudicator Shapiro found that the claimant did not have a Class 4 impairment in this sphere, noting the claimant was independent in self-care, there was a gap between her perception and actual performance, and there were discrepancies in her testimony that resulted in less weight being given to her testimony and self-reporting (as well as to the expert opinion which was heavily influenced by her self-reporting). As the claimant had exhausted her non-CAT limits for medical benefits, she was not entitled to any of the medical benefits in dispute.