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Glucose, Random
MessageTest performed at York Hospital Laboratory.
Test Code
GLU
Alias/See Also
Glucose, 2-Hour Post-Prandial
Glucose, 2-Hour Postprandial
Glucose, 2-Hour Postprandial
CPT Codes
82947
Preferred Specimen
0.2 mL serum collected in a serum separator tube (SST)
Other Acceptable Specimens
0.2 mL serum collected in a no additive (red-top) tube, transferred to a plastic screw-cap vial 0.2 mL plasma collected in a lithium heparin (green-top) gel separator tube
Instructions
Remove serum or plasma from the cellular material within 90 minutes of collection (preferably 1 hour). 2-Hour Post-Prandial sample: draw 2 hours after starting a meal or glucola drink. Enter into the order comments that sample is a "Post-Prandial" sample.
Transport Temperature
Refrigerated
Specimen Stability
Room temperature: 24 hours
Refrigerated: 7 days
Frozen: 1 year
Refrigerated: 7 days
Frozen: 1 year
Methodology
Colorimetric
Setup Schedule
Daily
Report Available
Next Day Available STAT 1/2 Hour
Reference Range
65-100 mg/dL
Critical Values
Critical Values
| Age | Glucose (mg/dL) |
|---|---|
| <=42 Days | < 41 or > 199 |
| 1-18 Years | < 51 or > 299 |
| Adult | < 50 or > 500 |
Clinical Significance
Glucose measurements are used to monitor therapy in diabetics and in patients with dehydration, coma, hypoglycemia, insulinoma, acidosis, and ketoacidosis.
