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PREGNENOLONE
Number 664
CPT Code 84140
Alias 
Specimen Container SST
Specimen Type Serum
Turn Around Time 
Days Performed 
Reference Range Contact Laboratory
Alternate Specimen Lavender top EDTA
Volume 1 mL Serum
Stability Ambient 4 Hours
Stability Refrigerated 2 Days
Stability Frozen 2 Years
Patient Preparation 
Methodology 

Liquid chromatography/tandem mass spectrometry (LC/MS-MS)

Limitations 
Rejection Criteria 

Nonserum or non-EDTA plasma specimen

Additional Instructions 
Performing Laboratory Reference Laboratory
TagsSTEROIDOGENESIS

COVID-19 Testing Guidance

Primex Clinical Laboratories strives to provide clients with quality testing services to better support patient health. With the ongoing pandemic, COVID-19 testing has become high in demand yet testing supplies are limited.

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COVID-19 Testing Guidance

Primex Clinical Laboratories strives to provide clients with quality testing services to better support patient health. With the ongoing pandemic, COVID-19 testing has become high in demand yet testing supplies are limited.

Read More