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HelpTest Code LAB12417 Pregnenolone
Department
SEND OUTS
Reference Lab Test Number
PREGN
Collection Requirements
Draw blood in a plain red-top tube.
Refer To
Primary Collection Container
Red (No Gel)
Transport
Serum frozen
Preferred Transport Temperature
Frozen
Processing
Allow blood to clot 30 minutes at room temperature. Centrifuge, separate serum from cells and send 0.5 mL serum frozen in
a screw-capped plastic vial.
Stability
Ambient: Unacceptable
Refrigerated: 72 hours
Frozen: 14 days
Frozen (-70°C): 30 days
Minimum Testing Volume
0.2 mL
Reference Range
Adult: 22-237 ng/dL
1 day-59 days: 68-1303 ng/dL
60 days – 1 year: ≤ 219 ng/dL
2 years – 6 years: ≤ 140 ng/dL
7 years – 9 years: ≤ 156 ng/dL
10 years – 12 years: 15-220 ng/dL
13 years – 17 years: 12-196 ng/dL
Methodology
LC-Mass Spectrometry/Mass Spectrometry
Performed
Sunday – Thursday
Reported
7-9 Days
CPT Codes
-84140
Unacceptable Conditions
SST, hemolyzed specimens.