Geisinger Medical Laboratories/Geisinger Proven Diagnostics Test Catalog

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

PROINSULIN

ORDERING INFORMATION:
Geisinger Epic Procedure Code: LAB2924         Geisinger Epic ID: 22831

SPECIMEN COLLECTION
Specimen type:
Serum
Preferred collection container:
Alternate Collection Container:
3.5 mL gold-top (serum separator) tube
Specimen required:
1 mL aliquot serum; minimum 0.5 mL. Please submit a separate frozen aliquot for this test. It may not be combined with any other test requiring a frozen aliquot.
Patient preparation:
Overnight fasting is required.

SPECIMEN PROCESSING
Specimen processing instructions:
Allow blood to fully clot (about 1/2 hour) at room temperature (20-25 degrees C). Centrifuge in a refrigerated centrifuge and separate immediately. Specimens collected in serum separation tubes should be removed from the gel after centrifugation. 
Transport temperature:
Frozen. Shipping room temperature is unacceptable.
Specimen stability:
Room Temperature: 24 hours. Refrigerated: 3 days. Frozen: 3 months.
Rejection criteria:
Received room temperature. Grossly lipemic serum. Grossly hemolyzed serum.

TEST DETAILS
CPT code(s):
84206
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:
Proinsulin.
Methodology:
Enzyme-Linked Immunosorbent Assay (ELISA)
Synonyms:
PROINS, Quest test code 760, precursor to insulin
Clinical significance:
Proinsulin is used to detect and monitor excessive hormone production from insulinomas

Performing Locations

Quest Diagnostics

Technical Lead: Michael Weaver    
Frequency: Set up: Tuesday, Saturday. Report available: 5-8 days    
Performed stat? No
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