NORMAL RANGES FOR SMALL ANIMALS:

HORMONE	CANINE	FELINE
Total T4	15.0 – 30.0 ng/mL	15.0 – 40.0 ng/mL
Total T3	1.0 – 2.0 ng/mL	0.3 – 0.9 ng/mL
Cortisol	18.0 – 40.0 ng/mL	10.0 – 30.0 ng/mL
Cortisol post-ACTH	70.0 – 160.0 ng/mL	50.0 – 100.0 ng/mL
Insulin	5.0 – 25.0 µIU/mL	2.0 – 10.0 µIU/mL
ACTH	10.0 – 45.0 pg/mL	10.0 – 45.0 pq/mL
Testosterone	Intact males: 1000 – 7000 pg/mL Females: < 50.0 pg/mL	Intact males: 1000 – 6000 pg/mL Females: < 50.0 pg/mL
Total Estrogens	Proestrus: > 15.0 pg/mL Late estrus: > 50.0 pg/mL Estrus: 15.0 – 50.0 pg/mL Pregnant: < 50.0 pg/mL Spayed: < 50.0 pg/mL Male: < 50.0 pg/mL	Queens: 40.0 – 90.0 pg/mL
Progesterone	Anestrus: < 1.0 ng/mL Proestrus: < 1.0 ng/mL Spayed: < 1.0 ng/mL Ovulatory: 4.0 – 10.0 ng/mL Estrus: 0 – 20.0 ng/mL Diestrus: 10.0 – 50.0 ng/mL Pregnant: 10.0 – 50.0 ng/mL Male: < 0.4 ng/mL	Anestrus: < 1.0 ng/mL Estrus: < 1.0 ng/mL Diestrus: 5.0 – 15.0 ng/mL Pregnant: 5.0 – 15.0 ng/mL
LH	0.5 - 5.0 ng/mL	0.5 – 5.0 ng/mL
FSH	0.5 – 15 ng/mL	0.5 – 15 ng/mL