Fructosamine
Ordering Recommendation
May aid in monitoring glucose control for diabetes in specific disorders. Not recommended as a substitute for hemoglobin A1c except in specific populations.
New York DOH Approval Status
Specimen Required
Serum separator tube. Also acceptable: Pink (K2EDTA), or green (lithium heparin).
Allow specimen to clot completely at room temperature before centrifuging. Transfer 0.5 mL serum or plasma to an ARUP Standard Transport Tube. (Min: 0.3 mL)
Refrigerated.
Hemolyzed specimens (may cause falsely elevated results).
After separation from cells: Ambient: 72 hours; Refrigerated: 2 weeks; Frozen: 2 months
Methodology
Quantitative Spectrophotometry
Performed
Sun-Sat
Reported
Within 24 hours
Reference Interval
Effective February 22, 2022
Nondiabetic: 205-285 µmol/L
Interpretive Data
Variations in levels of serum proteins (albumin and immunoglobulins) may affect fructosamine results.
FDA
Note
High levels of ascorbic acid interfere with the fructosamine assay. Patients should abstain from ascorbic acid supplements for a minimum of 24 hours prior to sample collection.
Hotline History
CPT Codes
82985
Components
Component Test Code* | Component Chart Name | LOINC |
---|---|---|
0099012 | Fructosamine | 15069-8 |
Aliases
- Glycated Albumin
- Glycated Protein
- Glycated Serum Protein
- GSP
- Protein Bound Glucose