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HelpTest Code GLU 1PC Glucose 1 Hour PC or Gestational Blood Glucose Screening-1 Hour
Performing Laboratory
| Memorial Hospital Laboratory- Automated Procedures | 304-388-5953 |
| General Hospital Laboratory | 304-388-6244 |
| Women and Children's Hospital Laboratory | 304-388-2385 |
| Teays Valley Hospital Laboratory | 304-757-1770 |
Patient Preparation
1.Give 50 grams of glucose beverage unless the physician order specifies a meal.
2.Instruct the patient to have nothing to eat, drink or smoke except for sips of water until blood is drawn 1 hour later.
3.Patient should be instructed to return to the lab a few minutes before the hour is up.
Specimen Requirements
Plasma- Mint Green, Dark Green Lithium Heparin or Gray Sodium Fluoride
Serum- SST gold top, red top
Allow SST or red top to completely clot
Spin and physically separate plasma/serum from contact with cells as soon as possible
4 mL of plasma/serum (minimum 2 mL)
Specimen Rejection
- Improperly labeled, collected, stored, and transported
- Quantity not sufficient
- Hemolyzed
Storage and Stability
| Room temperature 15-25oC | 8 hours |
| Refrigerated 2-8oC | 3 days |
| Frozen -20oC | Not specified |
Reference Values
No established reference values.
The test result must be integrated into the clinical content for interpretation.
Critical Values: < 60mg/dL or > 500 mg/dL
Methodology
Photometric Hexokinase G-6-PDH
Days Test Set Up and Turnaround
Monday through Friday, Dayshift
| AM Collection | Expected by 9AM same day |
| Routine | Expected within 24 hrs |
| Stat | Expected within 1 hr |
| Timed | Expected results are test dependant |
CPT Coding
82950