Glucagon, Plasma
Test:
192
CPT:
82943
Synonyms
1-Pancreatic Glucagon
Special Instructions
This test may exhibit interference when sample is collected from a person who is consuming a supplement with a high dose of biotin (also termed as vitamin B7 or B8, vitamin H, or coenzyme R). It is recommended to ask all patients who may be indicated for this test about biotin supplementation. Patients should be cautioned to stop biotin consumption at least 72 hours prior to the collection of a sample.
Expected Turnaround Time
3 – 10 days
Specimen Requirements
Specimen
3 – 10 days
Volume
1 mL
Minimum Volume
0.5 mL (Note: This volume does not allow for repeat testing.)
Container
Lavender-top (EDTA) tube (chilled)
Collection
Separate plasma and transfer specimen to a plastic transport tube before freezing. To avoid delays in turnaround time when requesting multiple tests on frozen samples, please submit separate frozen specimens for each test requested.
Storage Instructions
Freeze
Causes for Rejection
Lipemia, hemolysis or icterus; non EDTA plasma sample received; non‐frozen sample received
Test Details
Use
For use (1) when considering a glucagon-secreting tumor of the pancreas, (2) in the diagnosis and management of diabetes mellitus and other carbohydrate metabolism disorders, and (3) in the diagnosis of glucagon deficiency in patients with hypoglycemia.