label: Low tetrahydrocortisol (THF) plus 5-alpha-THF/tetrahydrocortisone (THE) ratio
label_lc: low tetrahydrocortisol (thf) plus 5-alpha-thf/tetrahydrocortisone (the) ratio
description: "The relative concentration of tetrahydrocortisol plus 5-alpha-tetrahydrocortisol relative to that of tetrahydrocortisone is below the lower limit of normal."