11-Deoxycorticosterone, Serum-994
Test info
11-Deoxycorticosterone, Serum
994
LAB994
MSO
DOCS
DOC
11-deoxycorticosterone
Deoxycorticosterone
21-hydroxyprogesterone
Desoxycortone
INN
Deoxycortone
BAN
Cortexone
Substance Q
desoxy compound B
21-Hydroxy-4-pregnene-3,20-dione
DOC
11-deoxycorticosterone
Deoxycorticosterone
21-hydroxyprogesterone
Desoxycortone
INN
Deoxycortone
BAN
Cortexone
Substance Q
desoxy compound B
21-Hydroxy-4-pregnene-3,20-dione
Diagnosis of suspected 11-hydroxylase deficiency, including the differential diagnosis of 11 beta-hydroxylase 1 (CYP11B1) versus 11 beta-hydroxylase 2 (CYP11B2) deficiency
Diagnosis of glucocorticoid-responsive hyperaldosteronism
Evaluating congenital adrenal hyperplasia newborn screen-positive children, when elevations of 17-hydroxyprogesterone are only moderate, suggesting possible 11-hydroxylase deficiency
Specimen
Morning (8 a.m.) specimen is preferred.
Serum
0.5 mL
0.4 mL
Immediately following collection, mix sample by gently inverting 5 times.
- Allow sample to clot for a minimum of 30 minutes
- Centrifuge within two (2) hours of collection
- Transfer the serum to a Screw cap transfer vial/tube (Mayo T914), labelled as serum
- Refrigerate
Mix sample by gentle inversion, 5 times
- Allow sample to clot for a minimum of 30 minutes
- Spin within two (2) hours of sample collection
Refrigerated (preferred) – 21 days
Ambient - 7 days
Frozen - 21 days
14 days
Gross Hemolysis
Performance
Mayo Clinic Laboratories (DOCS): R-NX
Tuesdays
3 - 10 days
Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)
Clinical and Interpretive info
≤18 years: <30 ng/dL
>18 years: <10 ng/dL
Billing
82633
1656-8
Tracking
02/08/2023
03/08/2023