Geisinger Medical Laboratories/Geisinger Proven Diagnostics Test Catalog

Test Name: Sunquest Test Code Epic Procedure Code Or ID CPT Code:  

COPEPTIN

ORDERING INFORMATION:
Sunquest Test Code:
COPEP      Geisinger Epic Procedure Code: COPEP         Geisinger Epic ID: 49242

SPECIMEN COLLECTION
Specimen type:
Serum or plasma
Preferred collection container:
Alternate Collection Container:
4 mL green/green-top (sodium heparin) tube
3 mL lavender-top (K2 EDTA) tube
Specimen required:
1 mL serum; minimum 0.5 mL.

SPECIMEN PROCESSING
Transport temperature:
Frozen.
Specimen stability:
Room temperature: 24 hours. Refrigerated: 3 days. Frozen: 28 days.
Rejection criteria:
Specimen received at room temperature. Gross hemolysis.

TEST DETAILS
CPT code(s):
86255
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.
Methodology:
Immunofluorescence Assay
Synonyms:
Quest test code 37740, C-Terminal pro-vasopressin, CT-proAVP
Clinical significance:
The Copeptin test is used in the diagnosis of central diabetes insipidus and in the differential diagnosis of central or nephrogenic diabetes insipidus. It is a reliable surrogate marker for arginine vasopressin (AVP).

Performing Locations

Quest Diagnostics

Technical Lead: Michael Weaver    
Frequency: Set up Monday, Wednesday, Saturday. Report available 3-5 days.    
Performed stat? No
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