Androstenedione - Pediatric


Sunquest Code:ANDROP  
Epic Code:LAB6872Epic Name:Androstenedione - Pediatric
Methodology:Liquid chromatography/Tandem mass spectrometry
Turnaround Time:Specimens are sent to reference laboratory Mon-Fri; results are reported in 1-4 days.


Collection Instructions

Specimen:Blood
Optimal Volume:2 mL
Minimum\Peds Volume:0.7 mL
Container:Red (no gel)
[Alternate Containers: Green (sodium heparin, no gel), Purple (EDTA)]
Causes for Rejection:Collection in a gel tube.


Processing and Shipping

Specimen Processing:Centrifuge ASAP and aliquot 1 mL, 0.25 mL minimum. Store at room temperature.
Shipping Instructions:Ship at room temperature.
Stability:Stability: 14 days at room temperature; 28 days refrigerated; 2 years frozen.
Test Performed at or Referral Lab Lab Sendouts  (Quest Diagnostics)
Referral Lab number:17182


Interpretive

Reference Range:

 

Pediatric

1-12 mo

6-78 ng/dL

1-4 y

5-51 ng/dL

5-9 y

6-115 ng/dL

10-13 y

12-221 ng/dL

14-17 y

22-225 ng/dL

 

Infant

Premature (31-35 wk)

≤ 480 ng/dL

Term

≤ 290 ng/dL

 

Tanner Stages

II-III Male

17-82 ng/dL

II-III Female

43-180 ng/dL

IV-V Male

57-151 ng/dL

IV-V Female

73-220 ng/dL

 

 

Use:Androstenedione is useful when evaluating patients with androgen excess and managing patients with Congenital Adrenal Hyperplasia (CAH).


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