Last Modified:
1/12/2022 5:35:15 AM
Medical Necessity Documentation:
Client Notes:
Patient Preparation:
Overnight Fasting required
Specimen Requirements:
2.0 mL Plasma from a Lavender Top Tube - EDTA in a Plastic Vial
Collection Instructions:
Collect EDTA plasma, gently invert several times to mix, Centrifuge and separate from cells immediately, transfer the plasma into a clean, plastic screw-cap vial and freeze.
There should be no delay in freezing as the analyte is very unstable and samples must be kept frozen until testing.y
Minimum Volume:
0.5 mL Plasma
Transport & Storage: Temperature/Stability:
28 days Frozen
Rejection Criteria:
Ambient or Refrigerated Specimen; Gross hemolysis or icterus
Reference Range:
Glucagon 11-78 pg/mL
Critical Ranges:
Test Comments:
Methodology:
Enzyme Linked Immunosorbent Immunoassay (ELISA)
Clinical Significance:
The glucagon assay is useful primarily when considering a glucagon-secreting tumor of the pancreas. Glucagonomas cause an unusual but characteristic syndrome consisting of a rash, mild diabetes, weight loss and hypoamninoacidemia. Measurement of plasma glucagon confirms the diagnosis; glucagon levels are very high in the setting of glucagonoma.
Documentation:
Custom Panel:
No
PRODUCTION SCHEDULE
Turn Around Time:
7 to 14 days
Days Performed:
Monday
Sites Performed:
Quest - Chantilly
PHL Test Code:
GLUCO
EPIC Test Code:
LAB1005
Send Out Test Code:
519
Alternate Test Names:
Pancreatic Hypercalcemic Factor
Included Tests:
CPT Coding:
82943
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