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Register Now17-OH Progesterone/Creatinine Ratio, 24-Hour Urine
Create a Free Account to View PricesTurnaround Time: 4 - 6 days
CPT Code:
83498, 82570
Test Type: 30 mL aliquot Urine (24-hour)
Overview:
17-Hydroxyprogesterone (17-OHP) in urine is greatly elevated in patients with polycystic ovarian disease and in patients with idiopathic hirsutism.
This test was developed and its performance characteristics determined by LabCorp. It has not been cleared or approved by the Food and Drug Administration.
Wong and coworkers showed that measurement of 17-OHP in 24-hour urine produced results that may be useful for monitoring glucocorticoid and mineralocorticoid therapy in patients with congenital adrenal hyperplasia (CAH).1 Other studies have shown that 17-OHP in 24-hour urine correlated well with serum 17-OHP and suggested that the urine measurement of 17-OHP may be a reliable alternative to serum 17-OHP measurement for monitoring of CAH therapy.2,3
1. Wong ET, Brown DR, Ulstrom RA, Steffes MW. Urinary 17 alpha-hydroxyprogesterone in diagnosis and management of congenital adrenal hyperplasia. J Clin Endocrinol Metab. 1979 Sep; 49(3):377-380. PubMed 468971
2. Lim YJ, Yong AB, Warne GL, Montalto J. Urinary 17 alpha-hydroxyprogesterone in management of 21-hydroxylase deficiency. J Paediatr Child Health. 1995 Feb; 31(1):47-50. PubMed 7748691
3. Shibata Y. Determination of urinary 17 alpha-hydroxy-progesterone excretion using ELISA—Evaluation of normal subjects and patients with congenital adrenal hyperplasia due to 21-hydroxylase deficiency. Nihon Naibunpi Gakkai Zasshi. 1991 Aug 20; 67(8):819-839. PubMed 1813324
Collection Details:
Collection Instructions:
Record total 24-hour urine volume on the test request form.
Plastic urine container with 30 mL 6N HCl preservative. Caution: Strong acid. May cause skin burns.
Instruct the patient to void at 8 AM and discard the specimen. Preservative must be added to the container prior to the start of collection. Then collect all urine including the final specimen voided at the end of the 24-hour collection period (ie, 8 AM the next morning). Measure and record total urine volume on the request form. Label container with patient's name, date and time collection started, and date and time collection finished. Keep collection on ice. Remove 20 mL aliquot. pH should be =3.
Refrigerate.