Table 1.

Adrenal hormone concentrations before and after ACTH stimulation in 8 dogs with atypical hyperadrenocorticism (AHAC)

	Reference Intervala		Median (range)
	Baseline	After Stimulation	Baseline	After Stimulation
Cortisol (μg/dL)	0.2–5.9	≤22.0b	2.3 (1.6–9.0)	15.8 (12.7–17.7)
Androstenedione (ng/mL)	0.05–0.57	0.27–3.97	0.42 (0.21–3.94)	5.89 (1.32–8.42)
Estradiol (pg/mL)	30.8–69.9	27.9–69.2	78 (58.7–165.1)	73.8 (55.8–168.3)
Progesterone (ng/mL)	0.03–0.49	0.10–1.50	0.13 (<0.03–1.11)	1.78 (1.22–3.83)
17‐OH Progesterone (ng/mL)	0.08–0.77	0.40–1.62	0.15 (<0.08–0.72)	1.78 (1.25–5.89)

^aReference intervals from University of Tennessee Veterinary Medical Center Clinical Endocrinology Service.

^bCortisol concentrations greater than 22.0 μg/dL considered diagnostic for HAC.