Fructosamine

Test Code

FRUCT

Quest Code

8340

CPT Codes
82985

Preferred Specimen

1 mL serum collected in a serum separator tube (SST®)

Minimum Volume

0.5 mL

Other Acceptable Specimens

Plasma collected in: sodium or lithium (green-top), or EDTA (lavender-top) tube

Instructions

Plasma: Separate from cells prior to submission.

Transport Container

Plastic screw-cap vial

Transport Temperature

Refrigerated (cold packs)

Specimen Stability

Room temperature: 72 hours
Refrigerated: 14 days
Frozen: 60 days

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Hemolysis • Moderately icteric

Methodology
Spectrophotometry (SP)

Setup Schedule

Set up: Mon-Fri a.m., p.m., and nights; Report available: Next day

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
14225 Newbrook Drive
Chantilly, VA 20153

Last Updated: August 30, 2014

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.