Table 2.

LoQs (nmol/L) derived from in-house testing vs manufacturer’s claims.

Steroid	LoQ (in-house)	LoQ (manufacturer)
Aldosterone	0.078	0.039
Cortisol	3.380	4.190
Cortisone	0.283	0.411
Corticosterone	0.231	0.505
11-Deoxycortisol	0.416	0.087
21-Deoxycortisol	0.121	0.078
DHEAS	39	66
Estradiol	0.015	0.092
Testosterone	0.035	0.017
Androstenedione	0.112	0.080
DHEA	0.738	0.794
11-Deoxycorticosterone	0.024	0.070
Dihydrotestosterone	0.279	0.145
17-OHP	0.045	0.121
Progesterone	0.111	0.095

In-house testing: Sciex QTrap 6500+ mass spectrometer; manufacturer: Sciex QTrap 5500 mass spectrometer.

17-OHP, 17-hydroxyprogesterone; DHEA, dehydroepiandrosterone; DHEAS, dehydroepiandrosterone sulfate; LoQ, limit of quantification.