17-Hydroxypregnenolone - Pediatric
| Abbrev Code: | 17PGNP | ||
| Order Code: | LAB6877 | Order Name: | 17-Hydroxypregnenolone - Pediatric |
| Synonyms: | 17-OH-Pregnenolone | ||
| Methodology: | Liquid chromatography/Tandem mass spectrometry | ||
| CPT Codes: | 84143 x1 | ||
| Turnaround Time: | Specimens are sent to reference laboratory Mon-Fri; results are reported within 2-5 days. | ||
Collection Instructions
| Specimen: | Blood |
| Optimal Volume: | 4 mL |
| Minimum\Peds Volume: | 1 mL |
| Container: | Red (no gel) |
| Causes for Rejection: | Collected in a gel top tube. Gross hemolysis, grossly lipemic, or icteric specimens. |
Processing and Shipping
| Specimen Processing: | Centrifuge and aliquot 2 mL, 0.4 mL minimum. Store in refrigerator. |
| Shipping Instructions: | Ship at refrigerated temperature to arrive within 5 days of collection. Protect refrigerated sample from temperature extremes. |
| Stability: | 24 hours at room temperature; 5 days refrigerated; 28 days frozen. |
| Test Performed at or Referral Lab | Lab Sendouts (Quest Diagnostics) |
| Referral Lab number: | 8352 |
Interpretive
| Reference Range: | By report. Infants with 21-hydroxylase deficiency may present with non-elevated results. |
| Use: | 17-Hydroxypregnenolone is useful in the diagnosis of 3-Beta-Hydroxylase enzyme deficiency, a rare cause of congenital adrenal hyperplasia, and 17-Hydroxylase (P450c17) enzyme deficiency. |
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