Geisinger Medical Laboratories/Geisinger Proven Diagnostics Test Catalog

Order Display Name: Geisinger Epic Procedure Code Or ID CPT Code:  

PROLACTIN, TOTAL AND MONOMERIC

ORDERING INFORMATION:
Geisinger Epic Procedure Code: LAB1036         Geisinger Epic ID: 52069

SPECIMEN COLLECTION
Specimen type:
Serum
Preferred collection container:
Alternate Collection Container:
6 mL red-top (plain, non-serum separator) tube
Specimen required:
1 mL serum; minimum 0.4 mL

SPECIMEN PROCESSING
Specimen processing instructions:
Centrifuge and aliquot. 
Transport temperature:
Room temperature.
Specimen stability:
Room temperature: 7 days. Refrigerated: 7 days. Frozen: 6 months.

TEST DETAILS
CPT code(s):
84146 x2
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.
Test includes:
Total Prolactin, Free Prolactin
Methodology:
PEG Precipitation
Immunoassay
Synonyms:
Prolac Total, Quest test code 16122, Macroprolactin,Big-Big Prolactin
Clinical significance:
For some patients the level of Prolactin measured by immunoassay may be inaccurate with respect to the level of monomeric, biologically active Prolactin. The Macroprolactin by PEG Precipitation test can help to identify if a patient sample has elevated Prolactin due to mostly inactive protein-bound Prolactin (Macroprolactin).

Performing Locations

Quest Diagnostics or Viracor - see above

Technical Lead: Michael Weaver    
Frequency: Set up: Wed; Report available: 3 days    
Performed stat? No
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