Trouble Importing LAS File from DJI Terra

I am using DJI Terra to process my L2 LiDAR data and am having trouble with the vertical translation.
I am currently trying to complete a flight in North Carolina, here is the problem:
I load my information into Terra, select the Output Coordinate System to be:
Horizontal Datum - NAD83 / North Carolina (ftUS) (EPSG:2264)
GEOID Settings - NAVD88 height (ftUS) (EPSG:6360) (us_noaa_g2018u0.tif)
After the LAS file is generated in Terra, I import to Pix4DSurvey using the Coordinate System:
Horizontal Datum - NAD83 / North Carolina (ftUS) (EPSG:2264)
Vertical Coordinate Reference System - NAVD88 hieght (ftUS) (EPSG:6360) GEOID18

When I create my surface and export to AgTek, it is showing me a consistent error of roughly 4 feet. When I put in the height offset for the base station, it adds another 5.9 feet instead of correcting for the pole height. I am perplexed and cannot figure out how to correct this issue.