This code system http://hl7.org/fhir/animal-tissue-type defines the following codes:
| Code | Display | 
| 100000072091  | All relevant tissues | 
| 100000072092  | Fat | 
| 100000072093  | Honey | 
| 100000072094  | Liver | 
| 100000072095  | Fresh Milk | 
| 100000072096  | Muscle and skin in natural proportions | 
| 100000072104  | Eggs | 
| 100000072105  | Skin and fat | 
| 100000072106  | Kidney | 
| 100000072107  | Meat and offal | 
| 100000072108  | Muscle | 
| 100000072109  | Unspecified | 
| 100000111053  | Adipose tissue | 
| 100000111054  | Adrenal | 
| 100000111055  | Blood vessels | 
| 100000111056  | Bone | 
| 100000111057  | Bone marrow | 
| 100000111058  | Brain | 
| 100000111059  | Connective tissue | 
| 100000111060  | Cornea | 
| 100000111061  | Dental pulp | 
| 100000111062  | Duodenum | 
| 100000111063  | Dura mater | 
| 100000111064  | Egg, embryonated | 
| 100000111065  | Egg | 
| 100000111066  | Egg white | 
| 100000111067  | Egg yolk | 
| 100000111068  | Embryos | 
| 100000111069  | Enteric plexuses | 
| 100000111070  | Esophagus | 
| 100000111071  | Feathers | 
| 100000111072  | Foetus | 
| 100000111073  | Fore-stomach (ruminants only) | 
| 100000111074  | Gingival tissue | 
| 100000111075  | Hair | 
| 100000111076  | Heart/pericardium | 
| 100000111077  | Hide | 
| 100000111078  | Hooves | 
| 100000111079  | Ileum | 
| 100000111080  | Jejunum | 
| 100000111081  | Kidney | 
| 100000111082  | Lard/lard oil | 
| 100000111083  | Large intestine | 
| 100000111084  | Liver | 
| 100000111085  | Lung | 
| 100000111086  | Lymph nodes | 
| 100000111087  | Mammary gland | 
| 100000111088  | Udder | 
| 100000111089  | Mammary tumour | 
| 100000111090  | Meat extract | 
| 100000111091  | Nasopharyngeal | 
| 100000111092  | Nictitating membrane | 
| 100000111093  | Nasal mucosa | 
| 100000111094  | Ovary | 
| 100000111095  | Pancreas | 
| 100000111096  | Peripheral nerves | 
| 100000111097  | Pituitary gland | 
| 100000111098  | Placenta | 
| 100000111099  | Prostate | 
| 100000111100  | Epididymis | 
| 100000111101  | Seminal vesicle | 
| 100000111102  | Rennet, calf | 
| 100000111103  | Retina | 
| 100000111104  | Optic nerve | 
| 100000111105  | Salivary gland | 
| 100000111106  | Shank | 
| 100000111107  | Skeletal muscle | 
| 100000111108  | Skin | 
| 100000111109  | Spinal ganglia | 
| 100000111110  | Spinal cord | 
| 100000111111  | Spleen | 
| 100000111112  | Stomach | 
| 100000111113  | Abomasum | 
| 100000111114  | Submaxillary glands | 
| 100000111115  | Tallow | 
| 100000111116  | Tendon | 
| 100000111117  | Testis | 
| 100000111118  | Thymus | 
| 100000111119  | Thyroid gland | 
| 100000111120  | Tongue | 
| 100000111121  | Tonsil | 
| 100000111122  | Trachea | 
| 100000111123  | Trigeminal ganglia | 
| 100000111124  | Tripe | 
| 100000111125  | Uterus (Non-gravid) | 
| 100000111126  | Wool | 
| 100000111127  | Ascites fluid | 
| 100000111128  | Bile | 
| 100000111129  | Blood1 | 
| 100000111130  | Blood, foetal | 
| 100000111131  | Colostrum | 
| 100000111132  | Cord blood | 
| 100000111133  | CSF | 
| 100000111134  | Faeces | 
| 100000111135  | Milk | 
| 100000111136  | Nasal mucus | 
| 100000111137  | Placenta fluids | 
| 100000111138  | Plasma | 
| 100000111139  | Saliva | 
| 100000111140  | Secretion from bees | 
| 100000111141  | Semen | 
| 100000111142  | Serum, calf | 
| 100000111143  | Serum, donor adult bovine | 
| 100000111144  | Serum, donor calf | 
| 100000111145  | Serum, foetal bovine | 
| 100000111146  | Serum, newborn calf | 
| 100000111147  | Serum/plasma derivate, adult bovine | 
| 100000111148  | Serum/plasma, adult bovine | 
| 100000111149  | Sweat | 
| 100000111150  | Tears | 
| 100000111151  | Urine | 
| 100000111152  | Venom | 
| 100000111153  | Whey | 
| 100000111154  | Casein | 
| 100000111155  | Fermentation products | 
| 100000111156  | Gelatin | 
| 100000111157  | Lactose | 
| 100000111158  | Protein | 
| 100000111159  | Insulin | 
| 100000111160  | Collagen | 
| 100000111161  | Animal Charcoal | 
| 100000111162  | Peptones | 
| 100000111163  | Fatty acids | 
| 100000111164  | Glycerol | 
| 100000125717  | Not applicable | 
| 100000136180  | Meat and offal, milk | 
| 100000136181  | Agar blood | 
| 100000136182  | Casamino acid | 
| 100000136183  | Casein, hydrolysate | 
| 100000136184  | Casein, pancreatic digest | 
| 100000136185  | Casein, peptides N3 | 
| 100000136186  | Cells | 
| 100000136187  | Cells, BHK21 | 
| 100000136188  | Cells, CHO | 
| 100000136189  | Cells, CRFK | 
| 100000136190  | Cells, embryo SPF | 
| 100000136191  | Cells, IRC5 | 
| 100000136192  | Cells, kidney | 
| 100000136193  | Cells, MDCK | 
| 100000136194  | Cells, red blood | 
| 100000136195  | Collagen, hydrolysate | 
| 100000136196  | Cholesterol | 
| 100000136197  | Egg, SPF embryonated | 
| 100000136198  | Enzyme | 
| 100000136199  | Enzyme, pancreatic enzymes | 
| 100000136200  | Enzyme, pancreatin 6NF | 
| 100000136201  | Enzyme, pepsin | 
| 100000136202  | Enzyme, pronase | 
| 100000136203  | Enzyme, trypsin | 
| 100000136204  | Heart, digest | 
| 100000136205  | Heart, extract | 
| 100000136206  | Intestinal mucosae | 
| 100000136207  | Lactalbumin hydrolysate | 
| 100000136208  | Liver, digest | 
| 100000136209  | Lymphocytes | 
| 100000136210  | Meat | 
| 100000136211  | Meat, enzymic hydrolysate | 
| 100000136212  | Medium, cooked meat | 
| 100000136213  | Medium, F10-199 medium | 
| 100000136214  | Medium, FMD culture medium | 
| 100000136215  | Medium, Glasgow MEM culture | 
| 100000136216  | Medium, LB Agar Lennox | 
| 100000136217  | Medium, LB Broth Lennox | 
| 100000136218  | Medium, modified thioglycolate medium | 
| 100000136219  | Medium, trypticase soy broth | 
| 100000136220  | Medium, tryptose phosphate broth | 
| 100000136221  | Milk, skimmed | 
| 100000136222  | Pancreas, extract | 
| 100000136223  | Peptones, casein hydrochloric peptone | 
| 100000136224  | Peptones, casein tryptic peptone | 
| 100000136225  | Pituitary extract | 
| 100000136226  | Rennet | 
| 100000136227  | Medium, nutrient broth | 
| 100000136228  | Medium, NZ-Amine | 
| 100000136229  | Medium, thioglycolate medium | 
| 100000136230  | Peptones, proteose peptone | 
| 100000136231  | Serum | 
| 100000136232  | Serum, albumin | 
| 100000136233  | Serum, Iron fortified calf | 
| 100000136234  | Skin, connective tissue and bone | 
| 100000136235  | Sperm | 
| 100000136236  | Tryptone | 
| 100000136237  | Meat, extract desiccated | 
| 100000136247  | Stomach mucosa | 
| 100000136248  | Transferin | 
| 100000136554  | Non-neural | 
| 100000136555  | Not specified | 
| 100000136556  | Organ tissue | 
| 100000142485  | Skin and fat in natural proportions |