FIG. 1 is a front, top, left side perspective view of an electronic diagnostic detection device casing with removable cap, showing our new design, with the cap installed;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a back elevational view thereof;

FIG. 7 is a right side elevational view thereof; and,

FIG. 8 is a front, top, left side perspective view thereof with the cap removed.

The broken line showing is for illustrative purposes only and forms no part of the claimed design.