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500049M
CONGENITAL ADRENAL HYPERPLASIA (CAH) PROFILE FOR 21-HYDROXYLASE DEFICIENCY

Test Code 500049M 
Test CONGENITAL ADRENAL HYPERPLASIA (CAH) PROFILE FOR 21-HYDROXYLASE DEFICIENCY 
Methodology Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS) 
Description Preferred screening test for CAH that is caused by 21-hydroxylase deficiency.
Also useful as part of a battery of tests to evaluate females with hirsutism or infertility, which can result from adult-onset of CAH. 
Specimen Draw blood in a plain, red-top tube(s). Spin down and send 0.6 mL
(minimum 0.25mL) of serum refrigerated. Morning (8 a.m.) and afternoon (4 p.m.) specimens are preferred.
Note: 1. Include time of draw on request form.
2. If multiple specimens are drawn, send
separate request form for each specimen. 
Analytic Time 2 Days 
Day(s) Test Set Up Monday, Wednesday, Friday 
CPT Code(s) 82157  Androstenedione
82533  Cortisol total
83498  Hydroxyprogesterone, 17-d

Special Instructions