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Fructosamine
Test Code8340
Alias/See Also
LAB1013
GLYCATED PROTEIN
GLYCATED PROTEIN
CPT Codes
82985
Preferred Specimen
1 mL serum
Minimum Volume
0.5 mL
Other Acceptable Specimens
EDTA (lavendar-top) tube plasma separated from cells prior to submission or heparin (green-top) tube plasma gel barrier
Transport Container
Serum Separator Tube (SST®)
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
Mon-fri
Report Available
3-6 days
Limitations
Patients with low albumin concentrations may exhibit depressed levels of fructosamine.
Reference Range
205-285 umol/L
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.
Performing Laboratory
| Quest Diagnostics Nichols Institute-San Juan Capistrano, CA |
| 33608 Ortega Highway |
| San Juan Capistrano, CA 92675-2042 |