Home
HelpTest Code FGHTP Ghrelin Total (Plasma)
Shipping Instructions
Ship frozen
Specimen Required
Patient Preparation:
1. Fasting: 10 to 12 hours
2. 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 specimen collection.
Supplies: GI Preservative (T125)
Collection Container/Tube: GI preservative plasma tube
Submission Container/Tube: Plastic vial
Specimen Volume: 3 to 5 mL plasma
Collection Instructions:
1. Draw 10 mL of blood in a GI preservative plasma tube.
2. As soon as possible, centrifuge specimen in a refrigerated centrifuge.
3. Aliquot 3 to 5 mL plasma into a plastic vial and freeze at -20° C.
4. Ship frozen.
Secondary ID
75898Method Name
Radioimmunoassay (RIA)
Reporting Name
Ghrelin TotalSpecimen Type
GI PlasmaSpecimen Minimum Volume
Plasma: 1 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| GI Plasma | Frozen | 180 days |
Reject Due To
| Gross hemolysis | Reject |
| Gross lipemia | Reject |
| Gross icterus | Reject |
| Specimens other than collected in GI Preservative plasma tube (T125) | Reject |
Clinical Information
Refer to www.interscienceinstitute.com/individual-assays/
Reference Values
Normal weight/control subjects: 520-700 pg/mL
Obese subjects prior to diet: 340-450 pg/mL
8:00 am-12:00 pm: Up to 420 pg/mL
6:00 pm: Up to 480 pg/mL
Obese subjects post induced
Weight loss: 450-600 pg/mL
8:00 am-12:00 pm: Up to 575 pg/mL
6:00 pm: Up to 600 pg/mL
Obese subjects post gastric-bypass surgery: Up to 120 pg/mL
Day(s) Performed
Monday through Friday
Report Available
5 to 9 daysPerforming Laboratory
Inter Science InstituteTest Classification
This test has not been cleared or approved by the US Food and Drug Administration. 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 presences or absence of malignant disease.CPT Code Information
83519
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| FGHTP | Ghrelin Total | 76474-6 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| FGHTP | Ghrelin Total | 76474-6 |