I need to create a code that counts how many time a particular codes appears in a field

I have the below string of codes in one quickbase field:

80346,80329,80346,80371,80346,80335,80324,80346,80369,80332,80332,80356,80361,80361,80361,80361,80354,80358,80372,80329,80324,80367,80355,80346,80360,80346,80366,80373,80368,80335,80353,80365,80346,80365,80324,80338,80332,80332,80349,80362,80359,80359,80335,80332,83992,80332,80354,80365,80358,80335,80373,80369,80346,80346,80329,80342

I need to create a code to count home many times a particular code (in this case "80361") appears in this string of numbers.

Below is a code that we were using to count how many entries were populated in that string:

Count([LCMS CPT Codes],1,"80332")

This code is returning 3 when there are 6 instances of this code.
Is there something in the code that is restricting the search?

Thanks