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Fructosamine : 8340
Test CodeFRUCT or 8340
CPT Codes
82985
Instructions
Serum separator tube. Also acceptable: lavender (EDTA) or green top (sodium or lithium heparin (PST)).
Transport Container
Centrifuge the serum or plasma separator tube and transport. If lavender or sodium heparin tube, centrifuge and transfer 1 mL plasma to a standard transport tube. (Min. 0.5 mL)
Transport Temperature
Refrigerated.
Specimen Stability
After separation from cells: Ambient: 72 hours; Refrigerated: 14 days; Frozen: 60 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Hemolysis. Moderately icteric.
Methodology
Spectrophotometry (SP)
Setup Schedule
Monday - Friday
Report Available
3-6 days (From receipt at performing laboratory)
Limitations
Variations in levels of serum proteins (albumin and immunoglobulins) may affect fructosamine results.
Reference Range
Effective 10-28-2019
205-285 umol/L
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
