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| A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
Fructosamine
Test CodeFRUC
Preferred Specimen
1 mL serum
Minimum Volume
0.5 mL
Other Acceptable Specimens
Plasma collected in: EDTA (lavender-top), Lithium heparin (green-top) or sodium heparin (green-top) tube
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
Room temperature: 72 hours
Refrigerated: 14 days
Frozen: 60 days
Refrigerated: 14 days
Frozen: 60 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Hemolysis • Moderately icteric
Methodology
Spectrophotometry (SP)
Setup Schedule
Night Sets up 5 days a week.
Limitations
Patients with low albumin concentrations may exhibit depressed levels of fructosamine.
Clinical Significance
The fructosamine assay is useful in monitoring the degree of glycemia over short-to-intermediate time frames (1-3 weeks). A fructosamine concentration greater than the established normal range is an indication of prolonged hyperglycemia of 1-3 weeks or longer. The higher the fructosamine value, the poorer the degree of glycemia control.