ANST - Overview: Androstenedione, Serum
Diagnosis and differential diagnosis of hyperandrogenism, in conjunction with measurements of other sex steroids Diagnosis of congenital adrenal hyperplasia (CAH), in conjunction with measurement of other androgenic precursors,...
DHEA_ - Overview: Dehydroepiandrosterone (DHEA), Serum
Diagnosing and differential diagnosis of hyperandrogenism (in conjunction with measurements of other sex steroids) As an initial screen in adults with bioavailable testosterone measurement that may be supplemented with measurements of sex...
As part of the diagnosis and workup of precocious and delayed puberty in females and, to a lesser degree, males As part of the diagnosis and workup of suspected disorders of sex steroid metabolism (eg, aromatase deficiency and 17...
EEST - Overview: Estradiol, Serum
All applications that require moderately sensitive measurement of estradiol: -Evaluation of hypogonadism and oligo-amenorrhea in females -Assessing ovarian status, including follicle development, for assisted reproduction protocols (eg, in...
CINP - Overview: Cortisol, Mass Spectrometry, Serum
Second-order testing when cortisol measurement by immunoassay (eg, CORT / Cortisol, Serum) gives results that are not consistent with clinical symptoms, or if patients are known to, or suspected of, taking exogenous synthetic steroids...
SHBG1 - Overview: Sex Hormone-Binding Globulin, Serum
Diagnosis and follow-up of women with signs or symptoms of androgen excess (eg, polycystic ovarian syndrome and idiopathic hirsutism) An adjunct in monitoring sex-steroid and antiandrogen therapy An adjunct in the diagnosis of disorders...
ESTF - Overview: Estrogens, Estrone (E1) and Estradiol (E2), Fractionated, Serum
Simultaneous high-sensitivity determination of serum estrone and estradiol levels Situations requiring either higher sensitivity estradiol measurement, estrone measurement, or both, including -As part of the diagnosis and workup of...
DHES1 - Overview: Dehydroepiandrosterone Sulfate, Serum
Diagnosis and differential diagnosis of hyperandrogenism (in conjunction with measurements of other sex steroids) An adjunct in the diagnosis of congenital adrenal hyperplasia Diagnosis and differential diagnosis of premature adrenarche
CRAV - Overview: Cortisol, Right Adrenal Vein, Serum
Testing cortisol levels in the right adrenal vein Second-order testing when cortisol measurement by immunoassay gives results that are not consistent with clinical symptoms, or if patients are known to, or suspected of, taking exogenous...
CLAV - Overview: Cortisol, Left Adrenal Vein, Serum
Testing cortisol levels in the left adrenal vein Second-order testing wen cortisol measurement by immunoassay gives results that are not consistent with clinical symptoms, or if patients are known to, or suspected of, taking exogenous...
Understanding the difference between benign and malignant adrenal tumors has alway been difficult; this new assay will assist with this medical challenge.
Urinary Steroid Profile [Test in Focus] - Insights
Irina Bancos, M.D. gives an overview of this test available through Mayo Clinic Laboratories. She discusses when this testing should be ordered, how this testing compares to other testing approaches, and what clinical action can be taken...
01/2024© Mayo Foundation for Medical Education and Research (MFMER). All rights reserved. Steroid Pathways Mineralocorticoids CYP17A1 = Cytochrome P450 Family 17 Subfamily A Member 1 HSD3B1/HSD3B2 =...
GFAP: Novel Test for a Newly Identified Meningoencephalomyelitis - Insights
Mayo Clinic Laboratories is the only laboratory in the world to offer testing for a novel form of autoimmune meningoencephalomyelitis. Known as autoimmune glial fibrillary acidic protein (GFAP) astrocytopathy, the condition was identified...
What started as a persistent headache for Spencer Lodin soon devolved into slowed speech, seizures, and hallucinations, symptoms which stumped ER doctors into thinking he had meningitis or was suffering from psychosis. Finally, specialized...