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University of Iowa Diagnostic Laboratories (UIDL) Test Directory 319-384-7212 (local) 1-866-844-2522 (toll free) |
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| Glucose | Order Code: GLU
Order Form: Laboratory Requisition |
Specimen: |
Plasma | ||
Collection Medium: |
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Alternate Collection Media: |
Call laboratory for additional acceptable specimen collection containers. | ||
Minimum: |
2 mls in light green top tube or 1 microtube for pediatric patients. | ||
Testing Schedule: |
24 hrs/day, 7 days a week, including holidays. | ||
Analytic Time: |
2 hours (upon receipt in laboratory) | ||
Reference Range: |
Fasting: 65-99 mg/dl; see appendix for pediatric normal range. Critical value (Adults): <50 mg/dl and >450 The Expert Committee on the Diagnosis and Classification of Diabetes has defined impaired fasting glucose as greater than or equal to 100 mg/dL but less than 126 mg/dL. (Diabetes Care 28 (Suppl 1) S41, 2005) Pediatric Reference Ranges: Age Range Units 0-1 month 40-99 mg/dl 1 month-adult 65-99 mg/dl | ||
Comments: |
Falsely low values may occur in specimens which are not separated promptly from RBC's. Please print, complete and submit the Advance Beneficiary Notice (ABN) along with the Laboratory Requisition before shipping the specimen. | ||
Test Limitations: |
Icterus: No significant interference up to an I index of 60 (approximate conjugated and unconjugated bilirubin concentration: 60 mg/dl). Hemolysis: No significant interference up to an H index of 1000 (approximate hemoglobin concentration 1000 mg/dl). Lipemia (Intralipid): No significant interference up to an L index of 1000 (approximate triglycerides concentration 2000 mg/dl). There is poor correlation between turbidity and triglycerides concentration. | ||
Methodology: |
Enzymatic | ||
Sample Processing: |
Centrifuge within one hour of draw time. Centrifuge at 3000 RPM for 10 minutes. Label transport tube with two patient identifiers, date and time of collection. | ||
Sample Storage: |
Refrigerate. | ||
Transport Instructions: |
Transport in cooler with refrigerated coolant packs. Place requisition into outside pocket of bag. Place specimen into zip-lock type bag, seal bag. | ||
CPT Code: |
82947 | ||
See Additional Information: Chemistry Critical Lab Values Chemistry Pediatric Reference Ranges Fasting Specimen Requirements |
Updated: 10/17/2007