Test Code GCT Gestational Glucose Screen, Serum
Clinical Indications
N/A
Additional Test Codes
Epic Order Name: Glucose Challenge (GCT)
Sunquest Order Code: GCT
Epic Px Code: LAB2250
Specimen Collection Type
Preferred: Mint
Acceptable: Gold
Minimum Collection Volume
1 mL
Reference Range
N/A
Critical Value
N/A
Interpretation
N/A
Rejection Criteria
Gross Hemolysis
Specimen Availability for Add-on Testing
2 Days
Specimen Stability
3 Days Refrigerated
Day(s) Performed
Monday through Sunday
Performing Lab- Department
TUKHS-BH-Chemistry
CPT Code
82947
LOINC Code
20438-8
Test Alias
Glucose Challenge
Gestational glucose tolerance test
Additional Information / Notes
Give patient 50g of Glucose. Collect specimen after 60 minutes. Specimens collected in a serum gel tube or lithium heparin gel tube must be centrifuged within 3 hours of collection. Serum gel should clot for 30 minutes prior to being centrifuged.