| Code Value | Definition |
|---|---|
| CLEAR | Large clear field of ridges; large clear area with no minutiae |
| CORE | Unusually distinctive core area |
| CREASE | Unusually distinctive crease |
| DELTA | Unusually distinctive delta area |
| DYSPLASIA | Disassociated ridges; dysplasia |
| MINGROUP | Unusual group or cluster of minutiae |
| MINUTIA | Unusually shaped minutia |
| OTHERFEAT | Other unusual features not characterized elsewhere; details should be noted in comments |
| SCAR | Scar |
| WART | Wart or blister |