Alert

Glucose, Blood, Fasting

Tube Type = Mint Green Plasma Separator

Tube Type

Test ID LAB81
EPIC Order GLUCOSE, FASTING
CPT Code(s) 82947
Group/Individual Test Individual
Laboratory Core Laboratory
Tube Station Routine: 30, STAT: 888
Specimen Routine: 3 mL blood/Li Heparin plasma separator tube/Mint Green top. Also acceptable serum (Gold SST / Red Top Tube)
Micro: 200 µL blood/mint green top bullet/gold top/red top
Stability Unspun: <2 hours recommended
Spun/Separated,
Room Temp:		 8 hours
Spun/Separated,
Refrigerated:		 72 hours
Spun/Separated,
Frozen:		 30 days
Availability 24 hr/day
Turnaround Time STAT 1 hr; Routine 2 hrs
Reference Range Normal:
Blood Glucose (Fasting) mg/dL
Age Ranges (mg/dL)
Child and Adult (Fasting) 70-99
Critical:
<54 mg/dL or >400 mg/dL
<54 mg/dL or >500 mg/dL (Emergency Department)
Comment

Diabetics:  Fasting for at least 8 hours recommended

Note: BMP and CMP include glucose; select "fasting" when ordered.  Do not order fasting test separately.

Reference ranges effective 12/2023; from ADA 2023 Standards of care.

Reviewed by J. Carr on January 22, 2024

UNC Hospitals
McLendon Clinical Laboratories
101 Manning Drive
Chapel Hill, NC 27514