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HelpTest Code GLP Glucagon, Plasma
Specimen Required
Patient Preparation: Patient should fast for 8 hours before specimen collection.
Supplies: Sarstedt Aliquot Tube, 5 mL (T914)
Collection Container/Tube: Lavender top (EDTA)
Submission Container/Tube: Plastic vial
Specimen Volume: 2 mL
Collection Instructions:
1. Pre-chill lavender top (EDTA) tube at 4° C before drawing the specimen.
2. Draw blood into the pre-chilled tube and process as follows:
a. Chill filled tube in wet ice for 10 minutes.
b. Centrifuge in a refrigerated centrifuge or in a pre-chilled centrifuge carrier.
c. Immediately after centrifugation, aliquot plasma into a plastic vial and freeze.
Specimen Minimum Volume
0.45 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Plasma EDTA | Frozen | 90 days |
Useful For
Diagnosis and follow-up of glucagonomas and other glucagon-producing tumors
Assessing diabetic patients with problematic hyper- or hypoglycemic episodes (extremely limited utility)
Reject Due To
| Gross hemolysis | Reject |
| Gross lipemia | Reject |
| Gross icterus | Reject |
Day(s) Performed
Tuesday, Friday
Report Available
3 to 7 daysReporting Name
Glucagon, PReference Values
≥1 year of age: ≤159 pg/mL
<1 year of age: No reference interval established.
For International System of Units (SI) for Reference Values, see www.mayocliniclabs.com/order-tests/si-unit-conversion.html.
Method Name
Enzyme-Linked Immunosorbent Assay (ELISA)
Performing Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
82943