Table 2.

Endocrine labs highlight hypopituitarism and central diabetes insipidus diagnosis

Laboratory findings	Values	Normal range
ACTH	< 5 pg/ml	6–50 pg/ml
Morning cortisol	< 1.0 ug/dl	5–25 mcg/dl
FSH	1.5 IU/l	1.5–12.4 IU/l
LH	< 0.1 IU/l	1.8–8.6 IU/l
Prolactin	48 ng/ml	4–15.2 ng/ml
TSH	0.03 mIU/ml	0.5–4.59 mIU/l
T4	4.5 ug/gl	5–12 ug/dl
Free T4	0.8 ng/dl	0.8–1.8 ng/dl
Total testosterone	< 1 ng/dl	250–1100 ng/dl
Copeptin	< 2.8 pmol/l	2.8–11.3 pmol/l

ACTH, adrenocorticotropic hormone; FSH, follicle stimulating hormone; LH, luteinizing hormone; TSH, thyroid stimulating hormone; T4, thyroxine.