Ghrelin, Total (Plasma)

Ghrelin, Total (Plasma)

Test Code

17824
83519
17824
83519
Ordering Restrictions may apply. Please provide SERVICE AREA INFORMATION to find available tests you can order.
This test is not available in all locations. Please provide SERVICE AREA INFORMATION to confirm Test Code for the lab that services your account or to find available tests you can order.
In-home collection is not available in your area through Quest Mobile.

Clinical Significance

Ghrelin, Total (Plasma)

Test Resources

None found for this test
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Test Details

Patient Preparation

Patient should be fasting for 10-12 hours prior to collection of specimen.

Patient should not be on any medications or supplements that may influence: Cholecystokinin (CCK), Glucose, Growth Hormone, Insulin and/or Somatostatin levels, if possible, for at least 48 hours prior to collection.

Methodology

Radioimmunoassay (RIA)

Assay Category

This test was developed and its performance characteristics determined by Inter Science Institute. Values obtained with different methods, laboratories, or kits cannot be used interchangeably with the results on this report. The results cannot be interpreted as absolute evidence of the presence or absence of malignant disease.

This test is not available for New York patient testing.

Reference Range(s)

See Laboratory Report

LOINC® Codes, Performing Laboratory

Service Area must be determined
Patient should be fasting for 10-12 hours prior to collection of specimen.

Patient should not be on any medications or supplements that may influence: Cholecystokinin (CCK), Glucose, Growth Hormone, Insulin and/or Somatostatin levels, if possible, for at least 48 hours prior to collection.

Methodology

Radioimmunoassay (RIA)
This test was developed and its performance characteristics determined by Inter Science Institute. Values obtained with different methods, laboratories, or kits cannot be used interchangeably with the results on this report. The results cannot be interpreted as absolute evidence of the presence or absence of malignant disease.

This test is not available for New York patient testing.

Reference Range(s)

See Laboratory Report
Service Area must be determined

Preferred Specimen(s)

See Collection Instructions

Minimum Volume

1 mL

Collection Instructions

Collect 10 mL blood in special ISI GI preservative tube yielding special GI plasma and separate in refrigerated centrifuge as soon as possible. Transfer 3-5 mL immediately into non-glass shipping vial. Freeze specimen at -20° C. Variance from these instructions must be disclosed to ISI prior to specimen analysis.

Non-refrigerated centrifuge
Collect 10 mL blood in special ISI GI preservative tube, invert tube gently several times. Return the tubes to the ice or refrigerate (2-8° C) for 15 minutes. Centrifuge ice-cold tubes to separate GI plasma. Recommended 1057 g for 10 minutes. After centrifugation, return tubes to the ice. Aliquot and freeze aliquoted plasma immediately. Ship frozen specimens frozen via overnight courier service with sufficient dry ice.

Transport Container

Transport tube

Transport Temperature

Frozen

Specimen Stability

  • Room temperature: Unacceptable
    Refrigerated: 24 days
    Frozen: 6 months

Reject Criteria

Gross hemolysis • Grossly Icteric

Setup Schedule

Service Area must be determined
See Collection Instructions

1 mL

Collect 10 mL blood in special ISI GI preservative tube yielding special GI plasma and separate in refrigerated centrifuge as soon as possible. Transfer 3-5 mL immediately into non-glass shipping vial. Freeze specimen at -20° C. Variance from these instructions must be disclosed to ISI prior to specimen analysis.

Non-refrigerated centrifuge
Collect 10 mL blood in special ISI GI preservative tube, invert tube gently several times. Return the tubes to the ice or refrigerate (2-8° C) for 15 minutes. Centrifuge ice-cold tubes to separate GI plasma. Recommended 1057 g for 10 minutes. After centrifugation, return tubes to the ice. Aliquot and freeze aliquoted plasma immediately. Ship frozen specimens frozen via overnight courier service with sufficient dry ice.
Transport tube
Frozen
Room temperature: Unacceptable
Refrigerated: 24 days
Frozen: 6 months
Gross hemolysis • Grossly Icteric
Service Area must be determined
Ordering Restrictions may apply. Please provide SERVICE AREA INFORMATION to find available tests you can order.
This test is not available in all locations. Please provide ACCOUNT INFORMATION NEEDED to confirm Test Code for the lab that services your account or to find available tests you can order.
In-home collection is not available in your area 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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