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Congenital adrenal hyperplasia - 17A Hydroxyprogesterone (17 OHP)
Congenital adrenal hyperplasia - 17A Hydroxyprogesterone (17 OHP)
Congenital adrenal hyperplasia - 17A Hydroxyprogesterone (17 OHP)
This biochemical test analyzes the level of 17 alpha hydroxyprogesterone (17 OHP)
| Test Code | B0002 |
|---|---|
| Test Summary |
This biochemical test analyzes the level of 17 alpha hydroxyprogesterone (17 OHP) |
| Turn Around Time | 3 days |
| Acceptable Sample Types | Dried Blood Spots |
| Acceptable Billing Types | Institutional Billing , Self (patient) Payment |
| NY Approved | Yes |
**The CPT codes listed are in accordance with Current Procedural Terminology, a publication of the American Medical Association, and are provided for informational purposes only. CPT coding is the sole responsibility of the billing party.
This testing service has not been cleared or approved by the U.S. Food and Drug Administration. Testing services may not be licensed in accordance with the laws in all countries. The availability of specific test offerings is dependent upon laboratory location.
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Test information
Test description
Elevated 17 alpha hydroxyprogesterone levels are associated with congenital adrenal hyperplasia.
Indications for testing
- Individuals suspected of having congenital adrenal hyperplasia.
- Individuals with a family history of 21-hydroxylase deficiency.
Condition description
21-hydroxylase deficiency is a disease that causes excessive androgen production in the adrenal glands. There are three distinct types of 21-hydroxylase deficiency: salt wasting, simple virilizing, and non-classic. The salt-wasting form of the disease is the most severe, with an age of onset typically in the fetal or neonatal periods. It has symptoms of excessive loss of sodium in the urine, poor feeding, weight loss, dehydration, vomiting, ambiguous genitalia in females, small testes in males, an early growth spurt, shorter adult height, decreased fertility, hirsutism in females, irregular menstruation, and male pattern baldness. The simple virilizing form has an age of onset in the fetal or neonatal period, with symptoms of ambiguous genitalia in females, small testes in males, an early growth spurt, shorter adult height, decreased fertility, hirsutism in females, irregular menstruation, and male pattern baldness. The non-classic form has an age of onset in adolescence or adulthood with symptoms of hirsutism in females, male pattern baldness, irregular menstruation, decreased fertility, early beard growth, and small testes in males. The incidence of salt-wasting and simple virilizing forms for 21-hydroxylase deficiency is estimated to be ~ 1 in 15,000. The incidence of the non-classic form of 21-hydroxylase deficiency is estimated to be ~ 1 in 1000.
Test methods and limitations
Isoelectric Focusing techniques are utilized to physically separate proteins in a gel matrix. The sample of mixed proteins, including the analytes, will be isolated from other proteins because this electrophoresis method relies on an electric current and solutions of varied pH to drive the proteins through the gel according to their isoelectric points. Once the physical proteins are separated, their presence and location in the gel can be viewed for analysis and interpretation.
Detailed sample requirements
Dried Blood Spots
| Collection Container(s) |
Dried blood spot card |
|---|---|
| Collection |
Follow kit instructions. Briefly, allow blood to saturate the card until indicated areas are filled and blood has soaked through the card. Air dry the card at ambient temperature for at least 3 hours.
|
| Sample Condition |
Follow the instructions provided with the collection set. Store the dried blood at ambient temperature for up to two days. If the specimen cannot be sent as soon as it is dry, the filter paper should be placed in a sealable plastic bag and stored in a refrigerator (≤ 8°C) or preferably in a freezer. |
| Shipping |
Follow kit instructions. Double bag and ship overnight at ambient temperature. |
Resources
How To Order
Choose Your Test
Select the correct test for your patient, and download and fill out the Clinical Genomics test requisition form.
Collect Sample
Obtain a sample for testing from the patient using one of the provided Revvity Omics test packs.
Send Samples
Send samples and all required forms back to Revvity for processing using pre-paid shipping label.
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