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Test Code GLP Glucagon, Plasma


Specimen Required


Patient Preparation:

Fasting: 8 hours, required

Supplies: Sarstedt Aliquot Tube, 5 mL (T914)

Collection Container/Tube: Lavender top (EDTA)

Submission Container/Tube: Plastic vial

Specimen Volume: 2 mL Plasma

Collection Instructions:

1. Pre-chill lavender top (EDTA) tube at 4° C before collecting 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.


Forms

If not ordering electronically, complete, print, and send an Oncology Test Request (T729) with the specimen.

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)

Method Name

Enzyme-Linked Immunosorbent Assay (ELISA)

Reporting Name

Glucagon, P

Specimen Type

Plasma EDTA

Specimen Minimum Volume

Plasma: 0.45 mL

Specimen Stability Information

Specimen Type Temperature Time
Plasma EDTA Frozen 90 days

Reject Due To

Gross hemolysis Reject
Gross lipemia Reject
Gross icterus Reject

Reference Values

<1 year: Not established

≥1 year: ≤159 pg/mL

 

For International System of Units (SI) conversion for Reference Values, see www.mayocliniclabs.com/order-tests/si-unit-conversion.html.

Day(s) Performed

Tuesday, Friday

Report Available

3 to 7 days

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Test Classification

This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.

CPT Code Information

82943

LOINC Code Information

Test ID Test Order Name Order LOINC Value
GLP Glucagon, P 2338-2

 

Result ID Test Result Name Result LOINC Value
9358 Glucagon, P 2338-2

Secondary ID

9358