Hello Tony Mac,
Use an exact match lookup on the comma-separated tokens (no wildcards), e.g., with TEXTSPLIT + XLOOKUP:
=TEXTJOIN(", ",TRUE,IFERROR(XLOOKUP(TRIM(TEXTSPLIT(A1,",")),$D$1:$D$100,$E$1:$E$100),""))
This splits A1 by commas, trims spaces, then does an exact lookup for each code (so...