Specific Diseases/Illnesses that are always excluded:

Congenital/Inherited conditions
Aberrant cilia, dermoid, distichiasis, Entropion/Ectropion etc.
CDRM (German Shepherd Dog Syndrome)
Chronic renal (kidney) failure
Deciduous teeth(illness, disease, or trauma)
Diabetes (insipidus or mellitus)
Elbow dysplasia (OCD, FCP, UAP)
Hemophilia
Congenital Heart problems including murmurs, failure, cardiomegaly (enlargement of the heart), etc.
Hip dysplasia
Congenital Liver conditions
Obesity (not due to an underlying medical condition)
OCD (including but not limited to the hock, elbow, carpus, and shoulder)
Osteoarthritis
Congenital Shunts to include portosystemic shunt
Elongated Soft Palate
Stenotic Nares
Spondylosis
Von Willebrand's disease