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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