Test Directory
3241 Glucose, 2hr Post Prandial
Specimen Type
Specimen Stability
Reference Range
Gray-top Tube (preferred)
or SST - Serum
In Gray-top Tube: 1 day refrigerated
In SST: 3 days refrigerated
(draw one tube per specimen)
See Report
Specimen Requirements
Preferred amount: 1.0 mL Serum
Minimum amount: 0.5 mL Serum
Method
Enzymatic
Schedule
Mon-Fri
Turn-Around Time
24 hrs
Instructions/Notes
Centrifuge required?:
In Gray-top Tube: No
In SST: Yes, within 1 hour of collection
Fasting required?: 12 hours recommended, not required
Special Instructions: Please indicate if the patient is fasting.
In Gray-top Tube: No
In SST: Yes, within 1 hour of collection
Fasting required?: 12 hours recommended, not required
Special Instructions: Please indicate if the patient is fasting.
Clinical Utility
A two hour post prandial glucose (taken after a meal) is sufficient to diagnose or exclude all forms of diabetes mellitus at all but the earliest stages of development.
CPT Codes
82950
