Not assignable to a particular category or classification. 

Physical injury

Injury caused by trauma from an external force (mechanical, thermal, electrical, chemical) 

Nutritional disease

Pertaining to any disease resulting from an alteration in the processes involved in taking nutrients into the body and assimilating and utilizing them or from deficiencies or excesses of specific feed nutrients.

Ocular disease

Conditions affecting any of the eye components such as cornea, iris, pupil, optic nerve, lens, retina, macula, choroid, conjunctiva or the vitreous. 

Hematologic disease

Conditions affecting the red blood cells, white blood cells, platelets, blood vessels, bone marrow, lymph nodes, spleen, and the proteins involved in bleeding and clotting.

Gastrointestinal disease

Conditions affecting the gastrointestinal tract, namely the esophagus, stomach, small intestine, large intestine and rectum, and the accessory organs of digestion, the liver, gallbladder, and pancreas.