| TissueCode | TissueName | TissueDescr |
| BFTH | body feather | Need SFEI to look at |
| BLD | blood | Need SFEI to look at |
| CLW | claw | claw tissue only |
| FAT | adipose (fat tissue) | Need SFEI to look at |
| FFTH | flight feather | Need SFEI to look at |
| FIL | fillet | fillet tissue only |
| FTH | feathers | Need SFEI to look at |
| FUR | fur | Need SFEI to look at |
| GUT | guts | gut tissue only |
| HPT | hepatopancreas tissue | hepatopancreas tissue only |
| LIV | liver | liver tissue only |
| NA | Not Applicable | Not Applicable, use for QA samples |
| NADS | gonad | gonadal tissue only |
| OTO | otolith | tissue type is otoliths; generally used for age analysis not chemical |
| OVA | ova | Need SFEI to look at |
| SCL | scales | tissue type is scales from fish; generally used for age analysis not chemical |
| SFTNG | soft tissue without gonads | generally used for bivalves not fish |
| SFTWG | soft tissue (e.g. clams) with gonads intact | generally used for bivalves not fish |
| TAIL | tail (tail of crustacean) | tail tissue only |
| WHL | whole organism | whole organism including organs or skeleton if crustacean |
| WHLNS | whole organism no shell | whole organism including organs no shell if crustacean |
| WNG | whole without gut | whole body after removal of guts |
| WNHNT | whole without head and without tail | whole body after removal of head and tail |
| WNHTG | whole without Head, Tail and Guts | whole body after removal of head, tail and guts |
| WNT | whole without tail | whole body minus the tail |
| ZOOPLANK | zooplankton | composite of zooplankton analyzed as tissue |