(a) Basal levels

ACTH	8.4 pg/mL (7.2–63.3)
Cortisol	2.2 μg/dL (4.0–18.3)
TSH	1.52 μIU/mL (0.55–4.78)
FT3	2.38 pg/mL (2.13–4.07)
FT4	1.89 ng/dL (0.89–1.76)
Plasma renin activity	0.3 ng/mL/hr (0.3–2.9)
Plasma aldosterone	76.8 pg/mL (29.9–159.0)
Urine free cortisol	8.7 μg/day (11.2–80.3)
Urine metanephrine	0.03 mg/day (0.04–0.19)
Urine normetanephrine	0.16 mg/day (0.09–0.33)

Figures in parentheses indicate the normal range.