Copeptin | Test Detail | Quest Diagnostics

Copeptin

Test Code

37740

CPT Code(s)

86255

Test Code

37740

CPT Code(s)

86255

Not offered in Quest Diagnostics Nichols Institute (IFD) – San Juan Capistrano. Please provide SERVICE AREA INFORMATION to find available tests you can order.

In-home collection may be available in your area for purchase through Quest Mobile.

Clinical Significance

Copeptin - 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).

Test Resources

None found for this test
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Test Details

Methodology

Immunofluorescence Assay (IFA)

Assay Category

This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.

Reference Range(s)

0-2 Years	Not Established
3-17 Years	2.4-26.0 pmol/L
≥18 Years	≤13.7 pmol/L

Alternative Name(s)

C-Terminal pro-vasopressin,CT-proAVP

LOINC® Codes, Performing Laboratory

Service Area must be determined

Methodology

Immunofluorescence Assay (IFA)

Assay Category

Reference Range(s)

0-2 Years	Not Established
3-17 Years	2.4-26.0 pmol/L
≥18 Years	≤13.7 pmol/L

Alternative Name(s)

C-Terminal pro-vasopressin,CT-proAVP

LOINC® Codes, Performing Laboratory

Service Area must be determined

Preferred Specimen(s)

1 mL serum

Alternative Specimen(s)

Plasma collected in: EDTA (lavender-top) tube or sodium heparin (green-top) tube

Minimum Volume

0.5 mL

Transport Container

Transport tube

Transport Temperature

Frozen

Specimen Stability

Room temperature: 24 hours
Refrigerated: 72 hours
Frozen: 28 days

Reject Criteria

Gross hemolysis

Setup Schedule

Service Area must be determined

Preferred Specimen(s)

1 mL serum

Alternative Specimen(s)

Plasma collected in: EDTA (lavender-top) tube or sodium heparin (green-top) tube

Minimum Volume

0.5 mL

Transport Container

Transport tube

Transport Temperature

Frozen

Specimen Stability

Room temperature: 24 hours
Refrigerated: 72 hours
Frozen: 28 days

Reject Criteria

Gross hemolysis

Setup Schedule

Service Area must be determined

Not offered in Quest Diagnostics Nichols Institute (IFD) – San Juan Capistrano. Please provide SERVICE AREA INFORMATION to find available tests you can order.

In-home collection may be available in your area for purchase through Quest Mobile.

Test Details

Clinical Significance

Test Resources

Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.

The CPT codes provided are based on AMA guidance and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

This material contains content from LOINC® (http://loinc.org). The LOINC Table, LOINC Table Core are copyright © 1995-2019, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee and is available at no cost under the license at http://loinc.org/license.

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