Test directory: Glial Fibrillary Acidic Protein

Ordering Code 8640
Test Name Glial Fibrillary Acidic Protein
Preferred Specimen Plasma
Preferred Container EDTA, K2 (Lavender)
Other Specimen/Container Serum in Plain (Red), Serum in SST (Gold)
Optimum Volume 1 mL
Collection Instructions Patients should stop biotin consumption at least 72 hours prior to sample collection
Transport Requirements Oahu: Ambient
Airline: Ambient
Specimen Stability Ambient: 43 Days
Refrigerated: 43 Days
Frozen: 40 Days
Avail. Stat NO
Analytic Time 7 Days
Methodology Electrochemiluminescence Immunoassay
Reference Lab  Quest Diagnostic Lab-NI

Reference range(s)

The reference ranges listed below are valid on this date of June 25, 2026.
Component Age Male Norm Male Critical Low Male Critical High Female Norm Female Critical High Female Critical Low Units Add'l info
GFAP ALL See report.