CPT® Code 82633

A laboratory test is conducted to assess the concentration of 11-Desoxycorticosterone, which is a precursor compound in the biosynthesis of mature corticosteroids. Corticosteroids and sex steroid hormones are synthesized by various glands in the body, including the adrenal glands, ovaries, testes, and placenta, from cholesterol. The production of these hormones involves a series of enzymatic reactions that can be disrupted at different stages, leading to hormonal imbalances. By measuring the levels of sex hormones and their precursor compounds, such as 11-Desoxycorticosterone, healthcare providers can aid in diagnosing conditions like congenital adrenal hyperplasia (CAH) and can also determine the specific type of CAH present. Following a diagnosis, this test is instrumental in monitoring the effectiveness of steroid replacement therapy and other therapeutic interventions. When a laboratory test for 11-Desoxycorticosterone is ordered, it is common practice to also measure additional hormones, including 11-deoxycortisol, corticosterone, 18-hydroxycorticosterone, cortisol, renin, aldosterone, and 17-hydroxyprogesterone. The test requires a blood sample, which is obtained through a venipuncture that is reported separately. The analysis of the serum or plasma is performed using quantitative high-performance liquid chromatography-tandem mass spectrometry, a sophisticated technique that allows for precise measurement of hormone levels.