Copeptin,Plasma COPEPTIN

Synonyms
Allscripts (AEHR) Order Name	Copeptin, plasma
Sunrise Clinical Manager (SCM) Order Name	Copeptin,Plasma
EPIC Order Name	Copeptin, Plasma
Clinical Info	Investigating the differential diagnosis for patients with water balance disorders, including diabetes insipidus, in conjunction with osmolality and hydration status May aid in the evaluation of cardiovascular disease in conjunction with other cardiac markers
Specimen Type
Specimen Volume	0.5 mL Plasma (0.3 mL min)
Container	Lavender Top Tube
Collection Instructions	Container/Tube; Lavender Top (EDTA) Tube Specimen: 0.5 mL Plasma ( 0.3 mL min) Transport Temperature: Refrigerated Patient Preparation: For water-deprived testing, have the patient fast and thirst for at least 8 hours (no liquids, including water, are allowed)
Transport Instructions	Refrigerated
Specimen Stability	7 Days Room Temperature 7 Days Refrigerated 30 Days Frozen
Methodology	Immunofluorescent Assay (IFA)
Days Performed	TAT 2-4 Days
Performing Laboratory	Mayo Medical Laboratories
CPT	84588 LOINC Code 78987-5
PDM	235441
Result Interpretation Non-water deprived, non-fasting adults: <13.1 pmol/L Water deprived, fasting adults: <15.2 pmol/L Non-water deprived, non-fasting pediatric patients: <14.5 pmol/L Note:** Keller T, Tzikas S, Zeller T, et al: Copeptin improves early diagnosis of acute myocardial infarction. J Am Coll Cardiol. 2010 May 11;55[19]:2096-2106. doi: 10.1016/j.jacc.2010.01.029 In-house Mayo study. **Du JM, Sang G, Jiang CM, He XJ, Han Y: Relationship between plasma copeptin levels and complications of community-acquired pneumonia in preschool children. Peptides. 2013 Jul;45:61-65. doi: 10.1016/j.peptides.2013.04.015
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