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  • Glucose Tolerance Test, 3 hour

Published on December 19, 2017

Glucose Tolerance Test, 3 hour

(Includes: Fasting Glucose Performable, 1 hour Glucose Performable, 2 hour Glucose Performable and 3 hour Glucose Performable)

sTube Type

Test ID LAB164
EPIC Order
GLUCOSE TOLERANCE, 3 HOURS
CPT Code(s) 82950 X 4
Group/Individual Test Group
Laboratory Core Laboratory
Tube Station Routine: 30, STAT: 888
Specimen Routine: 3 mL blood/serum separator tube/gold top/red top acceptable (each draw)
micro: 200 µL blood/serum separator bullet/red top
Availability Routine: 24 hr/day
STAT: YES
Turnaround Time STAT 1 hr; Routine 2 hrs
Reference Range Normal:

Fasting: 65-99 mg/dL

1 hour,  2 hour and 3 hour reference ranges are undefined. Refer to service specific guidelines based on glucose load for interpretation (OB, Endocrine, Pediatrics)

Critical: <40 mg/dL or >400 mg/dL
Comment

Panel includes performable tests for fasting, 1 hour, 2 hour and 3 hour glucose.  Once order is released and the fasting sample is generated, the 1 hour, 2 hour and 3 hour samples can be collected. 

Do not order these tests individually as they are included in the panel.

Reviewed by jcayless on December 19, 2017

Note: Reference ranges provided on this web site are for guidance only, and may not reflect the most recent changes. Refer to laboratory reports for current reference data.

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

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