US D616564 S1
The ornamental design for a reagent card, as shown and described.
FIG. 1 is a top perspective view of a reagent card, showing my new design;
FIG. 2 is a top view thereof;
FIG. 3 is a front view thereof; and,
FIG. 4 is a side view, the opposite side being a mirror image thereof.
The bottom view of the design is not shown and forms no part of the claimed design.