Display Screen or Portion Thereof with Animated Icon for Glucose Monitoring

FIG. 1 is a front view of a first embodiment of a first image in a sequence for a display screen or portion thereof with animated icon for glucose monitoring; FIG. 2 is a front view of a second image thereof; FIG. 3 is a front view of a third image thereof; FIG. 4 is a front view of a fourth image thereof; FIG. 5 is a front view of a fifth image thereof; FIG. 6 is a front view of a sixth image thereof; FIG. 7 is a front view of a seventh image thereof; FIG. 8 is a front view of an eighth image thereof; and FIG. 9 is a front view of a ninth image thereof. FIG. 10 is a front view of a second embodiment of a first image in a sequence for a display screen or portion thereof with animated icon for glucose monitoring; FIG. 11 is a front view of a second image thereof; FIG. 12 is a front view of a third image thereof; FIG. 13 is a front view of a fourth image thereof; FIG. 14 is a front view of a fifth image thereof; FIG. 15 is a front view of a sixth image thereof; FIG. 16 is a front view of a seventh image thereof; FIG. 17 is a front view of an eighth image thereof; and FIG. 18 is a front view of a ninth image thereof. FIG. 19 is a front view of a third embodiment of a first image in a sequence for a display screen or portion thereof with animated icon for glucose monitoring; FIG. 20 is a front view of a second image thereof; FIG. 21 is a front view of a third image thereof; FIG. 22 is a front view of a fourth image thereof; FIG. 23 is a front view of a fifth image thereof; FIG. 24 is a front view of a sixth image thereof; FIG. 25 is a front view of a seventh image thereof; FIG. 26 is a front view of an eighth image thereof; and FIG. 27 is a front view of a ninth image thereof. FIG. 28 is a front view of a fourth embodiment of a first image in a sequence for a display screen or portion thereof with animated icon for glucose monitoring; FIG. 29 is a front view of a second image thereof; FIG. 30 is a front view of a third image thereof; FIG. 31 is a front view of a fourth image thereof; FIG. 32 is a front view of a fifth image thereof; FIG. 33 is a front view of a sixth image thereof; FIG. 34 is a front view of a seventh image thereof; FIG. 35 is a front view of an eighth image thereof; and, FIG. 36 is a front view of a ninth image thereof. The broken lines showing a display screen form no part of the claimed design. All other broken lines showing portions of the graphical user interface form no part of the claimed design. The grayscale shading depicts a contrast in appearance. The appearance of the animated icon sequentially transitions between the images shown in FIGS. 1 - 7 , FIGS. 8 - 14 , FIGS. 15 - 23 , and FIGS. 24 - 32 , respectively. The process or period in which one image transitions to another image forms no part of the claimed design. Within the arcs positioned above or below the circle and within the circle itself, white depicts an opaque, light-toned area and shading indicates a contrast in appearance. All other portions of the design shown in white form no part of the claimed design.