Specimen Collection Manual and Test Catalog
PREGNENOLONE, LC/MS/MS
Geisinger Epic Procedure Code: LAB2898 Geisinger Epic ID: 18880SPECIMEN COLLECTION
Specimen type:
Serum
Preferred collection container:
Specimen required:
0.5 mL aliquot of serum; minimum 0.2 mL.
Special notes:
Serum separator tube (SST) unacceptable.
SPECIMEN PROCESSING
Processing instructions:
Allow to clot (30 min) at room temperature. Centrifuge, aliquot, and freeze as soon as possible.
Transport temperature:
Frozen.
Specimen stability:
Room Temperature: Unacceptable. Refrigerated: 72 hours. Frozen (-20°C): 14 days Frozen (-70°C): 30 days.
Rejection criteria:
Serum in serum separator tubes (SST) and plasma are unacceptable. Specimens received room temperature are unacceptable. Light hemolysis is acceptable. Moderate or gross hemolysis is unacceptable.
TEST DETAILS
CPT code(s):
84140
Note: The billing party has sole responsibility for CPT coding. Any
questions regarding coding should be directed to the payer being billed.
The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.
The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.
Test includes:
Pregnenolone.
Methodology:
Liquid Chromatography Mass Spectrometry (LC/MS)
Synonyms:
Review Date:
11/25/2024 PREGNE, Quest test code 31493
Performing Locations