antibodies against feline immunodeficiency virus (FIV) (ELISA); and
antibodies against feline coronavirus (FCoV), some strains of which are the causative agent of feline infectious peritonitis (FIP)(indirect fluorescent antibody [IFA] method)
Panel of tests including T3, T4, and FT4-ED. Together these results aid in diagnosing cats with clinical signs of hyperthyroidism but normal T4 results.