Laboratory Services
Copeptin proAVP, Plasma
Print this pageUpdated Test Information:
| Test Description |
Copeptin proAVP, Plasma
|
|
|---|---|---|
| Test ID |
CPAVP
|
|
| General Information |
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 |
|
| Container Type |
Lavender top |
|
| Specimen Type |
Plasma |
|
| Specimen Requirements |
0.5 mL |
|
| Specimen Collection / Processing Instructions |
Centrifuge and aliquot plasma into plastic vial. Do not submit in original tube. |
|
| Minimum Sample Volume |
0.3 mL |
|
| Stability |
Refrigerated (preferred) 7 days |
|
| Unacceptable Specimen Conditions |
Gross hemolysis |
|
| Methodology |
Immunofluorescent Assay (IFA) |
|
| Estimated TAT |
2 to 3 days |
|
| Testing Schedule |
Monday through Saturday |
|
| Retention |
2 weeks |
|
| CPT Code(s) |
84588 |
|
| Reference Range |
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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| STAT Orderable (Y/N) |
No |
|
| Performing Lab |
Mayo |
|
| LOINC Code(s) |
78987-5 |
